diff --git a/frontend/i18n/locales/fr.json b/frontend/i18n/locales/fr.json
index 4fe39f8..76560f1 100644
--- a/frontend/i18n/locales/fr.json
+++ b/frontend/i18n/locales/fr.json
@@ -453,6 +453,7 @@
                     "add": "Nouveau contact"
                 },
                 "address": {
+                    "title": "Adresse {n}",
                     "sites": "Sites",
                     "contacts": "Contact(s) rattaché(s)",
                     "country": "Pays",
@@ -629,6 +630,7 @@
                     "uploadFailed": "Le téléversement de la décharge a échoué."
                 },
                 "address": {
+                    "title": "Adresse",
                     "country": "Pays",
                     "postalCode": "Code postal",
                     "city": "Ville",
diff --git a/frontend/modules/commercial/components/ClientAddressBlock.vue b/frontend/modules/commercial/components/ClientAddressBlock.vue
index 8e5886a..2642266 100644
--- a/frontend/modules/commercial/components/ClientAddressBlock.vue
+++ b/frontend/modules/commercial/components/ClientAddressBlock.vue
@@ -1,203 +1,211 @@
 <template>
-    <div class="relative grid grid-cols-4 gap-x-[44px] gap-y-4 bg-white py-4 pl-[28px] pr-[60px] shadow-[0_4px_4px_0_rgba(0,0,0,0.25)]">
-        <!-- ariaLabel via v-bind objet (prop camelCase ; aria-* serait un attribut HTML). -->
-        <MalioButtonIcon
-            v-if="removable && !readonly && !disabled"
-            icon="mdi:delete-outline"
-            variant="ghost"
-            button-class="absolute top-3 right-3"
-            v-bind="{ ariaLabel: t('commercial.clients.form.address.remove') }"
-            @click="$emit('remove')"
-        />
+    <!-- Bloc a plat (sans box-shadow) : un filet noir 1px le separe du suivant
+         (pas de bordure sous le dernier bloc). -->
+    <div class="pb-[20px]" :class="{ 'border-b border-black': !last }">
+        <!-- En-tete : titre du bloc (noir) a gauche, poubelle de suppression a droite. -->
+        <div class="flex items-center justify-between">
+            <h2 class="text-[20px] font-semibold text-black">{{ title }}</h2>
+            <!-- ariaLabel via v-bind objet (prop camelCase ; aria-* serait un attribut HTML). -->
+            <MalioButtonIcon
+                v-if="removable && !readonly && !disabled"
+                icon="mdi:delete-outline"
+                variant="ghost"
+                button-class="p-0"
+                v-bind="{ ariaLabel: t('commercial.clients.form.address.remove') }"
+                @click="$emit('remove')"
+            />
+        </div>
 
-        <!-- Usage de l'adresse : Select unique (plus simple pour l'utilisateur)
-             remplacant les 3 cases. Les options encodent les combinaisons valides
-             (exclusivite Prospect, RG-1.06/07/08) ; le back recoit toujours les
-             drapeaux isProspect / isDelivery / isBilling (aucune RG modifiee). -->
-        <!-- Erreur portee sur `isProspect` cote back (Callback type obligatoire +
-             exclusivite prospect) -> affichee sous le select Type d'adresse. -->
-        <MalioSelect
-            :model-value="addressType"
-            :options="addressTypeOptions"
-            :label="t('commercial.clients.form.address.addressType')"
-            :readonly="readonly"
-            :disabled="disabled"
-            :required="!readonly && !disabled"
-            :error="errors?.isProspect"
-            @update:model-value="onAddressTypeChange"
-        />
-
-        <!-- Sites Starseed : multiselect a tags (>= 1 obligatoire, RG-1.10). -->
-        <MalioSelectCheckbox
-            :model-value="model.siteIris"
-            :options="siteOptions"
-            :label="t('commercial.clients.form.address.sites')"
-            :display-tag="true"
-            :readonly="readonly"
-            :disabled="disabled"
-            :required="!readonly && !disabled"
-            :error="errors?.sites"
-            @update:model-value="(v: (string | number)[]) => update('siteIris', v.map(String))"
-        />
-
-        <!-- Contacts rattaches (M2M, facultatif). Consultation : masque si aucun (ERP-193). -->
-        <MalioSelectCheckbox
-            v-if="!hideEmpty || isFilled(model.contactIris)"
-            :model-value="model.contactIris"
-            :options="contactOptions"
-            :label="t('commercial.clients.form.address.contacts')"
-            :display-tag="true"
-            :readonly="readonly"
-            :disabled="disabled"
-            @update:model-value="(v: (string | number)[]) => update('contactIris', v.map(String))"
-        />
-
-        <!-- Email(s) de facturation : visible/obligatoire seulement si Facturation
-             (RG-1.11). Le « + » revele un 2e email optionnel (max 2, pendant du
-             telephone secondaire) qui coule dans la grille. Sinon un filler comble
-             la colonne pour que Categorie reparte au debut de la ligne suivante. -->
-        <MalioInputEmail
-            v-if="isBillingEmailRequired(model)"
-            :model-value="model.billingEmail"
-            :label="t('commercial.clients.form.address.billingEmail')"
-            :required="!readonly && !disabled"
-            :readonly="readonly"
-            :disabled="disabled"
-            :lowercase="true"
-            :error="errors?.billingEmail"
-            :addable="!model.hasSecondaryBillingEmail && !readonly"
-            :add-button-label="t('commercial.clients.form.address.addBillingEmail')"
-            @update:model-value="(v: string) => update('billingEmail', v)"
-            @add="revealSecondaryBillingEmail"
-        />
-        <!-- Filler : aligne la suite de la grille (Categorie au debut de ligne).
-             Inutile en consultation masquee (la grille se recompose sans les
-             champs vides, ERP-193). -->
-        <div v-else-if="!hideEmpty" aria-hidden="true" />
-
-        <MalioInputEmail
-            v-if="isBillingEmailRequired(model) && model.hasSecondaryBillingEmail"
-            :model-value="model.billingEmailSecondary"
-            :label="t('commercial.clients.form.address.billingEmailSecondary')"
-            :readonly="readonly"
-            :disabled="disabled"
-            :lowercase="true"
-            :error="errors?.billingEmailSecondary"
-            @update:model-value="(v: string) => update('billingEmailSecondary', v)"
-        />
-
-        <MalioSelectCheckbox
-            :model-value="model.categoryIris"
-            :options="categoryOptions"
-            :label="t('commercial.clients.form.address.categories')"
-            :display-tag="true"
-            :readonly="readonly"
-            :disabled="disabled"
-            :required="!readonly && !disabled"
-            :error="errors?.categories"
-            @update:model-value="(v: (string | number)[]) => update('categoryIris', v.map(String))"
-        />
-
-        <MalioSelect
-            :model-value="model.country"
-            :options="countryOptions"
-            :label="t('commercial.clients.form.address.country')"
-            :readonly="readonly"
-            :disabled="disabled"
-            :required="!readonly && !disabled"
-            @update:model-value="(v: string | number | null) => update('country', String(v ?? 'France'))"
-        />
-
-        <MalioInputText
-            :model-value="model.postalCode"
-            :label="t('commercial.clients.form.address.postalCode')"
-            :mask="POSTAL_CODE_MASK"
-            :readonly="readonly"
-            :disabled="disabled"
-            :required="!readonly && !disabled"
-            :error="errors?.postalCode"
-            @update:model-value="onPostalCodeChange"
-        />
-
-        <!-- Ville : MalioSelect alimente par le code postal (BAN). Si la BAN est
-             indisponible, bascule en saisie libre — recuperable : re-saisir le
-             code postal relance la recherche et repasse en select au succes. -->
-        <MalioSelect
-            v-if="!degraded"
-            :model-value="model.city"
-            :options="cityOptions"
-            :label="t('commercial.clients.form.address.city')"
-            :readonly="readonly"
-            :disabled="disabled"
-            empty-option-label=""
-            :required="!readonly && !disabled"
-            :error="errors?.city"
-            @update:model-value="onCityChange"
-        />
-        <MalioInputText
-            v-else
-            :model-value="model.city"
-            :label="t('commercial.clients.form.address.city')"
-            :mask="ADDRESS_MASK"
-            :readonly="readonly"
-            :disabled="disabled"
-            :required="!readonly && !disabled"
-            :error="errors?.city"
-            @update:model-value="(v: string) => update('city', v)"
-        />
-
-        <!-- Adresse + Adresse complementaire sur 2 colonnes : on wrappe car
-             MalioInputText/Autocomplete (inheritAttrs:false) renvoient `class`
-             sur l'input interne, pas sur la cellule de grille. Le wrapper porte
-             le col-span-2, le champ le remplit (w-full). -->
-        <div class="col-span-2">
-            <!-- Adresse : saisie assistee (BAN) en edition ; champ texte simple
-                 seulement en lecture seule (MalioInputAutocomplete ne reaffiche pas
-                 sa valeur liee, il n'afficherait rien en readonly). allow-create :
-                 si la BAN ne propose rien (ou erreur), le texte saisi est CONSERVE au
-                 blur/Entree (saisie manuelle) — sinon il serait efface. La ville reste
-                 pilotee par le code postal ; choisir une suggestion remplit rue+ville+CP. -->
-            <MalioInputAutocomplete
-                v-if="!readonly && !disabled"
-                :model-value="model.street"
-                :options="addressOptions"
-                :loading="addressLoading"
-                :min-search-length="3"
-                :label="t('commercial.clients.form.address.street')"
+        <!-- Grille 4 colonnes des champs de l'adresse. -->
+        <div class="mt-6 grid grid-cols-4 gap-x-[44px] gap-y-4">
+            <!-- Usage de l'adresse : Select unique (plus simple pour l'utilisateur)
+                 remplacant les 3 cases. Les options encodent les combinaisons valides
+                 (exclusivite Prospect, RG-1.06/07/08) ; le back recoit toujours les
+                 drapeaux isProspect / isDelivery / isBilling (aucune RG modifiee). -->
+            <!-- Erreur portee sur `isProspect` cote back (Callback type obligatoire +
+                 exclusivite prospect) -> affichee sous le select Type d'adresse. -->
+            <MalioSelect
+                :model-value="addressType"
+                :options="addressTypeOptions"
+                :label="t('commercial.clients.form.address.addressType')"
                 :readonly="readonly"
                 :disabled="disabled"
                 :required="!readonly && !disabled"
-                :error="errors?.street"
-                :allow-create="true"
-                :no-results-text="t('commercial.clients.form.address.streetNotFound')"
-                @update:model-value="(v: string | number | null) => update('street', v === null ? null : String(v))"
-                @search="onAddressSearch"
-                @select="onAddressSelect"
+                :error="errors?.isProspect"
+                @update:model-value="onAddressTypeChange"
+            />
+
+            <!-- Sites Starseed : multiselect a tags (>= 1 obligatoire, RG-1.10). -->
+            <MalioSelectCheckbox
+                :model-value="model.siteIris"
+                :options="siteOptions"
+                :label="t('commercial.clients.form.address.sites')"
+                :display-tag="true"
+                :readonly="readonly"
+                :disabled="disabled"
+                :required="!readonly && !disabled"
+                :error="errors?.sites"
+                @update:model-value="(v: (string | number)[]) => update('siteIris', v.map(String))"
+            />
+
+            <!-- Contacts rattaches (M2M, facultatif). Consultation : masque si aucun (ERP-193). -->
+            <MalioSelectCheckbox
+                v-if="!hideEmpty || isFilled(model.contactIris)"
+                :model-value="model.contactIris"
+                :options="contactOptions"
+                :label="t('commercial.clients.form.address.contacts')"
+                :display-tag="true"
+                :readonly="readonly"
+                :disabled="disabled"
+                @update:model-value="(v: (string | number)[]) => update('contactIris', v.map(String))"
+            />
+
+            <!-- Email(s) de facturation : visible/obligatoire seulement si Facturation
+                 (RG-1.11). Le « + » revele un 2e email optionnel (max 2, pendant du
+                 telephone secondaire) qui coule dans la grille. Sinon un filler comble
+                 la colonne pour que Categorie reparte au debut de la ligne suivante. -->
+            <MalioInputEmail
+                v-if="isBillingEmailRequired(model)"
+                :model-value="model.billingEmail"
+                :label="t('commercial.clients.form.address.billingEmail')"
+                :required="!readonly && !disabled"
+                :readonly="readonly"
+                :disabled="disabled"
+                :lowercase="true"
+                :error="errors?.billingEmail"
+                :addable="!model.hasSecondaryBillingEmail && !readonly"
+                :add-button-label="t('commercial.clients.form.address.addBillingEmail')"
+                @update:model-value="(v: string) => update('billingEmail', v)"
+                @add="revealSecondaryBillingEmail"
+            />
+            <!-- Filler : aligne la suite de la grille (Categorie au debut de ligne).
+                 Inutile en consultation masquee (la grille se recompose sans les
+                 champs vides, ERP-193). -->
+            <div v-else-if="!hideEmpty" aria-hidden="true" />
+
+            <MalioInputEmail
+                v-if="isBillingEmailRequired(model) && model.hasSecondaryBillingEmail"
+                :model-value="model.billingEmailSecondary"
+                :label="t('commercial.clients.form.address.billingEmailSecondary')"
+                :readonly="readonly"
+                :disabled="disabled"
+                :lowercase="true"
+                :error="errors?.billingEmailSecondary"
+                @update:model-value="(v: string) => update('billingEmailSecondary', v)"
+            />
+
+            <MalioSelectCheckbox
+                :model-value="model.categoryIris"
+                :options="categoryOptions"
+                :label="t('commercial.clients.form.address.categories')"
+                :display-tag="true"
+                :readonly="readonly"
+                :disabled="disabled"
+                :required="!readonly && !disabled"
+                :error="errors?.categories"
+                @update:model-value="(v: (string | number)[]) => update('categoryIris', v.map(String))"
+            />
+
+            <MalioSelect
+                :model-value="model.country"
+                :options="countryOptions"
+                :label="t('commercial.clients.form.address.country')"
+                :readonly="readonly"
+                :disabled="disabled"
+                :required="!readonly && !disabled"
+                @update:model-value="(v: string | number | null) => update('country', String(v ?? 'France'))"
+            />
+
+            <MalioInputText
+                :model-value="model.postalCode"
+                :label="t('commercial.clients.form.address.postalCode')"
+                :mask="POSTAL_CODE_MASK"
+                :readonly="readonly"
+                :disabled="disabled"
+                :required="!readonly && !disabled"
+                :error="errors?.postalCode"
+                @update:model-value="onPostalCodeChange"
+            />
+
+            <!-- Ville : MalioSelect alimente par le code postal (BAN). Si la BAN est
+                 indisponible, bascule en saisie libre — recuperable : re-saisir le
+                 code postal relance la recherche et repasse en select au succes. -->
+            <MalioSelect
+                v-if="!degraded"
+                :model-value="model.city"
+                :options="cityOptions"
+                :label="t('commercial.clients.form.address.city')"
+                :readonly="readonly"
+                :disabled="disabled"
+                empty-option-label=""
+                :required="!readonly && !disabled"
+                :error="errors?.city"
+                @update:model-value="onCityChange"
             />
             <MalioInputText
                 v-else
-                :model-value="model.street"
-                :label="t('commercial.clients.form.address.street')"
-                :readonly="readonly"
-                :disabled="disabled"
-                :required="!readonly && !disabled"
-                :error="errors?.street"
-                @update:model-value="(v: string) => update('street', v)"
-            />
-        </div>
-
-        <div v-if="!hideEmpty || isFilled(model.streetComplement)" class="col-span-1">
-            <MalioInputText
-                :model-value="model.streetComplement"
-                :label="t('commercial.clients.form.address.streetComplement')"
+                :model-value="model.city"
+                :label="t('commercial.clients.form.address.city')"
                 :mask="ADDRESS_MASK"
                 :readonly="readonly"
                 :disabled="disabled"
-                :error="errors?.streetComplement"
-                @update:model-value="(v: string) => update('streetComplement', v)"
+                :required="!readonly && !disabled"
+                :error="errors?.city"
+                @update:model-value="(v: string) => update('city', v)"
             />
-        </div>
 
+            <!-- Adresse + Adresse complementaire sur 2 colonnes : on wrappe car
+                 MalioInputText/Autocomplete (inheritAttrs:false) renvoient `class`
+                 sur l'input interne, pas sur la cellule de grille. Le wrapper porte
+                 le col-span-2, le champ le remplit (w-full). -->
+            <div class="col-span-2">
+                <!-- Adresse : saisie assistee (BAN) en edition ; champ texte simple
+                     seulement en lecture seule (MalioInputAutocomplete ne reaffiche pas
+                     sa valeur liee, il n'afficherait rien en readonly). allow-create :
+                     si la BAN ne propose rien (ou erreur), le texte saisi est CONSERVE au
+                     blur/Entree (saisie manuelle) — sinon il serait efface. La ville reste
+                     pilotee par le code postal ; choisir une suggestion remplit rue+ville+CP. -->
+                <MalioInputAutocomplete
+                    v-if="!readonly && !disabled"
+                    :model-value="model.street"
+                    :options="addressOptions"
+                    :loading="addressLoading"
+                    :min-search-length="3"
+                    :label="t('commercial.clients.form.address.street')"
+                    :readonly="readonly"
+                    :disabled="disabled"
+                    :required="!readonly && !disabled"
+                    :error="errors?.street"
+                    :allow-create="true"
+                    :no-results-text="t('commercial.clients.form.address.streetNotFound')"
+                    @update:model-value="(v: string | number | null) => update('street', v === null ? null : String(v))"
+                    @search="onAddressSearch"
+                    @select="onAddressSelect"
+                />
+                <MalioInputText
+                    v-else
+                    :model-value="model.street"
+                    :label="t('commercial.clients.form.address.street')"
+                    :readonly="readonly"
+                    :disabled="disabled"
+                    :required="!readonly && !disabled"
+                    :error="errors?.street"
+                    @update:model-value="(v: string) => update('street', v)"
+                />
+            </div>
+
+            <div v-if="!hideEmpty || isFilled(model.streetComplement)" class="col-span-1">
+                <MalioInputText
+                    :model-value="model.streetComplement"
+                    :label="t('commercial.clients.form.address.streetComplement')"
+                    :mask="ADDRESS_MASK"
+                    :readonly="readonly"
+                    :disabled="disabled"
+                    :error="errors?.streetComplement"
+                    @update:model-value="(v: string) => update('streetComplement', v)"
+                />
+            </div>
+        </div>
     </div>
 </template>
 
@@ -230,6 +238,8 @@ const props = defineProps<{
     /** Pays disponibles (France par defaut). */
     countryOptions: RefOption[]
     removable?: boolean
+    /** Dernier bloc de la liste : supprime le filet de separation bas. */
+    last?: boolean
     readonly?: boolean
     /** Bloc desactive (champs grises, consultation — distinct de readonly). */
     disabled?: boolean
diff --git a/frontend/modules/commercial/components/SupplierAddressBlock.vue b/frontend/modules/commercial/components/SupplierAddressBlock.vue
index 0e0ce64..a6a2371 100644
--- a/frontend/modules/commercial/components/SupplierAddressBlock.vue
+++ b/frontend/modules/commercial/components/SupplierAddressBlock.vue
@@ -1,189 +1,198 @@
 <template>
-    <div class="relative grid grid-cols-4 gap-x-[44px] gap-y-4 bg-white py-4 pl-[28px] pr-[60px] shadow-[0_4px_4px_0_rgba(0,0,0,0.25)]">
-        <!-- Suppression : modal de confirmation cote parent. -->
-        <MalioButtonIcon
-            v-if="removable && !readonly && !disabled"
-            icon="mdi:delete-outline"
-            variant="ghost"
-            button-class="absolute top-3 right-3"
-            v-bind="{ ariaLabel: t('commercial.suppliers.form.address.remove') }"
-            @click="$emit('remove')"
-        />
+    <!-- Bloc a plat (sans box-shadow) : un filet noir 1px le separe du suivant
+         (pas de bordure sous le dernier bloc). -->
+    <div class="pb-[20px]" :class="{ 'border-b border-black': !last }">
+        <!-- En-tete : titre du bloc (noir) a gauche, poubelle de suppression a droite. -->
+        <div class="flex items-center justify-between">
+            <h2 class="text-[20px] font-semibold text-black">{{ title }}</h2>
+            <!-- Suppression : modal de confirmation cote parent. -->
+            <MalioButtonIcon
+                v-if="removable && !readonly && !disabled"
+                icon="mdi:delete-outline"
+                variant="ghost"
+                button-class="p-0"
+                v-bind="{ ariaLabel: t('commercial.suppliers.form.address.remove') }"
+                @click="$emit('remove')"
+            />
+        </div>
 
-        <!-- Type d'adresse : Prospect / Depart / Rendu (RG-2.09). Select en attendant
-             l'arbitrage metier (radio vs select) ; l'erreur 422 (propertyPath
-             `addressType`) s'affiche via la prop native :error de MalioSelect. -->
-        <MalioSelect
-            :model-value="model.addressType"
-            :options="addressTypeOptions"
-            :label="t('commercial.suppliers.form.address.addressType')"
-            :readonly="readonly"
-            :disabled="disabled"
-            empty-option-label=""
-            :required="!readonly && !disabled"
-            :error="errors?.addressType"
-            @update:model-value="(v: string | number | null) => update('addressType', v === null ? null : (v as SupplierAddressType))"
-        />
+        <!-- Grille 4 colonnes des champs de l'adresse. -->
+        <div class="mt-6 grid grid-cols-4 gap-x-[44px] gap-y-4">
+            <!-- Type d'adresse : Prospect / Depart / Rendu (RG-2.09). Select en attendant
+                 l'arbitrage metier (radio vs select) ; l'erreur 422 (propertyPath
+                 `addressType`) s'affiche via la prop native :error de MalioSelect. -->
+            <MalioSelect
+                :model-value="model.addressType"
+                :options="addressTypeOptions"
+                :label="t('commercial.suppliers.form.address.addressType')"
+                :readonly="readonly"
+                :disabled="disabled"
+                empty-option-label=""
+                :required="!readonly && !disabled"
+                :error="errors?.addressType"
+                @update:model-value="(v: string | number | null) => update('addressType', v === null ? null : (v as SupplierAddressType))"
+            />
 
-        <!-- Sites Starseed : multiselect a tags (>= 1 obligatoire, RG-2.06). -->
-        <MalioSelectCheckbox
-            :model-value="model.siteIris"
-            :options="siteOptions"
-            :label="t('commercial.suppliers.form.address.sites')"
-            :display-tag="true"
-            :readonly="readonly"
-            :disabled="disabled"
-            :required="!readonly && !disabled"
-            :error="errors?.sites"
-            @update:model-value="(v: (string | number)[]) => update('siteIris', v.map(String))"
-        />
-
-        <!-- Contacts rattaches (M2M, facultatif). -->
-        <MalioSelectCheckbox
-            v-if="!hideEmpty || isFilled(model.contactIris)"
-            :model-value="model.contactIris"
-            :options="contactOptions"
-            :label="t('commercial.suppliers.form.address.contacts')"
-            :display-tag="true"
-            :readonly="readonly"
-            :disabled="disabled"
-            @update:model-value="(v: (string | number)[]) => update('contactIris', v.map(String))"
-        />
-
-        <!-- Filler : aligne le debut de ligne suivant sur la grille (le bloc client
-             porte ici l'email de facturation, absent cote fournisseur). Inutile en
-             consultation masquee (la grille se recompose sans les champs vides). -->
-        <div v-if="!hideEmpty" aria-hidden="true" />
-
-        <!-- Categories de type FOURNISSEUR (>= 1 obligatoire, RG-2.10). -->
-        <MalioSelectCheckbox
-            :model-value="model.categoryIris"
-            :options="categoryOptions"
-            :label="t('commercial.suppliers.form.address.categories')"
-            :display-tag="true"
-            :readonly="readonly"
-            :disabled="disabled"
-            :required="!readonly && !disabled"
-            :error="errors?.categories"
-            @update:model-value="(v: (string | number)[]) => update('categoryIris', v.map(String))"
-        />
-
-        <MalioSelect
-            :model-value="model.country"
-            :options="countryOptions"
-            :label="t('commercial.suppliers.form.address.country')"
-            :readonly="readonly"
-            :disabled="disabled"
-            :required="!readonly && !disabled"
-            @update:model-value="(v: string | number | null) => update('country', String(v ?? 'France'))"
-        />
-
-        <MalioInputText
-            :model-value="model.postalCode"
-            :label="t('commercial.suppliers.form.address.postalCode')"
-            :mask="POSTAL_CODE_MASK"
-            :readonly="readonly"
-            :disabled="disabled"
-            :required="!readonly && !disabled"
-            :error="errors?.postalCode"
-            @update:model-value="onPostalCodeChange"
-        />
-
-        <!-- Ville : MalioSelect alimente par le code postal (BAN). Saisie libre si BAN indispo. -->
-        <MalioSelect
-            v-if="!degraded"
-            :model-value="model.city"
-            :options="cityOptions"
-            :label="t('commercial.suppliers.form.address.city')"
-            :readonly="readonly"
-            :disabled="disabled"
-            empty-option-label=""
-            :required="!readonly && !disabled"
-            :error="errors?.city"
-            @update:model-value="onCityChange"
-        />
-        <MalioInputText
-            v-else
-            :model-value="model.city"
-            :label="t('commercial.suppliers.form.address.city')"
-            :mask="ADDRESS_MASK"
-            :readonly="readonly"
-            :disabled="disabled"
-            :required="!readonly && !disabled"
-            :error="errors?.city"
-            @update:model-value="(v: string) => update('city', v)"
-        />
-
-        <!-- Adresse (BAN) sur 2 colonnes + Adresse complementaire. allow-create : le
-             texte saisi est conserve si la BAN ne propose rien (saisie manuelle). -->
-        <div class="col-span-2">
-            <MalioInputAutocomplete
-                v-if="!readonly && !disabled"
-                :model-value="model.street"
-                :options="addressOptions"
-                :loading="addressLoading"
-                :min-search-length="3"
-                :label="t('commercial.suppliers.form.address.street')"
+            <!-- Sites Starseed : multiselect a tags (>= 1 obligatoire, RG-2.06). -->
+            <MalioSelectCheckbox
+                :model-value="model.siteIris"
+                :options="siteOptions"
+                :label="t('commercial.suppliers.form.address.sites')"
+                :display-tag="true"
                 :readonly="readonly"
                 :disabled="disabled"
                 :required="!readonly && !disabled"
-                :error="errors?.street"
-                :allow-create="true"
-                :no-results-text="t('commercial.suppliers.form.address.streetNotFound')"
-                @update:model-value="(v: string | number | null) => update('street', v === null ? null : String(v))"
-                @search="onAddressSearch"
-                @select="onAddressSelect"
+                :error="errors?.sites"
+                @update:model-value="(v: (string | number)[]) => update('siteIris', v.map(String))"
+            />
+
+            <!-- Contacts rattaches (M2M, facultatif). -->
+            <MalioSelectCheckbox
+                v-if="!hideEmpty || isFilled(model.contactIris)"
+                :model-value="model.contactIris"
+                :options="contactOptions"
+                :label="t('commercial.suppliers.form.address.contacts')"
+                :display-tag="true"
+                :readonly="readonly"
+                :disabled="disabled"
+                @update:model-value="(v: (string | number)[]) => update('contactIris', v.map(String))"
+            />
+
+            <!-- Filler : aligne le debut de ligne suivant sur la grille (le bloc client
+                 porte ici l'email de facturation, absent cote fournisseur). Inutile en
+                 consultation masquee (la grille se recompose sans les champs vides). -->
+            <div v-if="!hideEmpty" aria-hidden="true" />
+
+            <!-- Categories de type FOURNISSEUR (>= 1 obligatoire, RG-2.10). -->
+            <MalioSelectCheckbox
+                :model-value="model.categoryIris"
+                :options="categoryOptions"
+                :label="t('commercial.suppliers.form.address.categories')"
+                :display-tag="true"
+                :readonly="readonly"
+                :disabled="disabled"
+                :required="!readonly && !disabled"
+                :error="errors?.categories"
+                @update:model-value="(v: (string | number)[]) => update('categoryIris', v.map(String))"
+            />
+
+            <MalioSelect
+                :model-value="model.country"
+                :options="countryOptions"
+                :label="t('commercial.suppliers.form.address.country')"
+                :readonly="readonly"
+                :disabled="disabled"
+                :required="!readonly && !disabled"
+                @update:model-value="(v: string | number | null) => update('country', String(v ?? 'France'))"
+            />
+
+            <MalioInputText
+                :model-value="model.postalCode"
+                :label="t('commercial.suppliers.form.address.postalCode')"
+                :mask="POSTAL_CODE_MASK"
+                :readonly="readonly"
+                :disabled="disabled"
+                :required="!readonly && !disabled"
+                :error="errors?.postalCode"
+                @update:model-value="onPostalCodeChange"
+            />
+
+            <!-- Ville : MalioSelect alimente par le code postal (BAN). Saisie libre si BAN indispo. -->
+            <MalioSelect
+                v-if="!degraded"
+                :model-value="model.city"
+                :options="cityOptions"
+                :label="t('commercial.suppliers.form.address.city')"
+                :readonly="readonly"
+                :disabled="disabled"
+                empty-option-label=""
+                :required="!readonly && !disabled"
+                :error="errors?.city"
+                @update:model-value="onCityChange"
             />
             <MalioInputText
                 v-else
-                :model-value="model.street"
-                :label="t('commercial.suppliers.form.address.street')"
+                :model-value="model.city"
+                :label="t('commercial.suppliers.form.address.city')"
                 :mask="ADDRESS_MASK"
                 :readonly="readonly"
                 :disabled="disabled"
                 :required="!readonly && !disabled"
-                :error="errors?.street"
-                @update:model-value="(v: string) => update('street', v)"
+                :error="errors?.city"
+                @update:model-value="(v: string) => update('city', v)"
             />
-        </div>
 
-        <div v-if="!hideEmpty || isFilled(model.streetComplement)" class="col-span-1">
-            <MalioInputText
-                :model-value="model.streetComplement"
-                :label="t('commercial.suppliers.form.address.streetComplement')"
-                :mask="ADDRESS_MASK"
+            <!-- Adresse (BAN) sur 2 colonnes + Adresse complementaire. allow-create : le
+                 texte saisi est conserve si la BAN ne propose rien (saisie manuelle). -->
+            <div class="col-span-2">
+                <MalioInputAutocomplete
+                    v-if="!readonly && !disabled"
+                    :model-value="model.street"
+                    :options="addressOptions"
+                    :loading="addressLoading"
+                    :min-search-length="3"
+                    :label="t('commercial.suppliers.form.address.street')"
+                    :readonly="readonly"
+                    :disabled="disabled"
+                    :required="!readonly && !disabled"
+                    :error="errors?.street"
+                    :allow-create="true"
+                    :no-results-text="t('commercial.suppliers.form.address.streetNotFound')"
+                    @update:model-value="(v: string | number | null) => update('street', v === null ? null : String(v))"
+                    @search="onAddressSearch"
+                    @select="onAddressSelect"
+                />
+                <MalioInputText
+                    v-else
+                    :model-value="model.street"
+                    :label="t('commercial.suppliers.form.address.street')"
+                    :mask="ADDRESS_MASK"
+                    :readonly="readonly"
+                    :disabled="disabled"
+                    :required="!readonly && !disabled"
+                    :error="errors?.street"
+                    @update:model-value="(v: string) => update('street', v)"
+                />
+            </div>
+
+            <div v-if="!hideEmpty || isFilled(model.streetComplement)" class="col-span-1">
+                <MalioInputText
+                    :model-value="model.streetComplement"
+                    :label="t('commercial.suppliers.form.address.streetComplement')"
+                    :mask="ADDRESS_MASK"
+                    :readonly="readonly"
+                    :disabled="disabled"
+                    :error="errors?.streetComplement"
+                    @update:model-value="(v: string) => update('streetComplement', v)"
+                />
+            </div>
+
+            <!-- Bennes : stepper (specifique fournisseur, defaut 0). En consultation, 0
+                 reste affiche (valeur saisie) ; seul un champ vide serait masque. -->
+            <MalioInputNumber
+                v-if="!hideEmpty || isFilled(model.bennes)"
+                :model-value="model.bennes"
+                :label="t('commercial.suppliers.form.address.bennes')"
+                :min="0"
                 :readonly="readonly"
                 :disabled="disabled"
-                :error="errors?.streetComplement"
-                @update:model-value="(v: string) => update('streetComplement', v)"
+                :error="errors?.bennes"
+                @update:model-value="(v: string) => update('bennes', v)"
+            />
+
+            <!-- Prestation de triage : booleen porte par l'adresse (specifique fournisseur).
+                 Consultation : masquee si non cochee (ERP-193). -->
+            <MalioCheckbox
+                v-if="!hideEmpty || isFilled(model.triageProvider)"
+                id="address-triage-provider"
+                :label="t('commercial.suppliers.form.address.triageProvider')"
+                :model-value="model.triageProvider"
+                group-class="self-center"
+                :readonly="readonly"
+                :disabled="disabled"
+                @update:model-value="(v: boolean) => update('triageProvider', v)"
             />
         </div>
-
-        <!-- Bennes : stepper (specifique fournisseur, defaut 0). En consultation, 0
-             reste affiche (valeur saisie) ; seul un champ vide serait masque. -->
-        <MalioInputNumber
-            v-if="!hideEmpty || isFilled(model.bennes)"
-            :model-value="model.bennes"
-            :label="t('commercial.suppliers.form.address.bennes')"
-            :min="0"
-            :readonly="readonly"
-            :disabled="disabled"
-            :error="errors?.bennes"
-            @update:model-value="(v: string) => update('bennes', v)"
-        />
-
-        <!-- Prestation de triage : booleen porte par l'adresse (specifique fournisseur).
-             Consultation : masquee si non cochee (ERP-193). -->
-        <MalioCheckbox
-            v-if="!hideEmpty || isFilled(model.triageProvider)"
-            id="address-triage-provider"
-            :label="t('commercial.suppliers.form.address.triageProvider')"
-            :model-value="model.triageProvider"
-            group-class="self-center"
-            :readonly="readonly"
-            :disabled="disabled"
-            @update:model-value="(v: boolean) => update('triageProvider', v)"
-        />
     </div>
 </template>
 
@@ -210,6 +219,8 @@ const props = defineProps<{
     /** Pays disponibles (France par defaut). */
     countryOptions: RefOption[]
     removable?: boolean
+    /** Dernier bloc de la liste : supprime le filet de separation bas. */
+    last?: boolean
     readonly?: boolean
     /** Bloc desactive (champs grises, consultation — distinct de readonly). */
     disabled?: boolean
diff --git a/frontend/modules/commercial/pages/clients/[id]/edit.vue b/frontend/modules/commercial/pages/clients/[id]/edit.vue
index 1dd766e..b75b2b0 100644
--- a/frontend/modules/commercial/pages/clients/[id]/edit.vue
+++ b/frontend/modules/commercial/pages/clients/[id]/edit.vue
@@ -211,6 +211,7 @@
                             :key="address.id ?? `new-${index}`"
                             :model-value="address"
                             :title="t('commercial.clients.form.address.title', { n: index + 1 })"
+                            :last="index === addresses.length - 1"
                             :category-options="addressCategoryOptions"
                             :site-options="siteOptions"
                             :contact-options="contactOptions"
diff --git a/frontend/modules/commercial/pages/clients/[id]/index.vue b/frontend/modules/commercial/pages/clients/[id]/index.vue
index 72dacdb..d43f793 100644
--- a/frontend/modules/commercial/pages/clients/[id]/index.vue
+++ b/frontend/modules/commercial/pages/clients/[id]/index.vue
@@ -171,6 +171,7 @@
                             :key="view.draft.id ?? index"
                             :model-value="view.draft"
                             :title="t('commercial.clients.form.address.title', { n: index + 1 })"
+                            :last="index === addressViews.length - 1"
                             :category-options="view.categoryOptions"
                             :site-options="allSiteOptions"
                             :contact-options="contactOptions"
diff --git a/frontend/modules/commercial/pages/clients/new.vue b/frontend/modules/commercial/pages/clients/new.vue
index 42349e0..53489c2 100644
--- a/frontend/modules/commercial/pages/clients/new.vue
+++ b/frontend/modules/commercial/pages/clients/new.vue
@@ -210,6 +210,7 @@
                         :key="index"
                         :model-value="address"
                         :title="t('commercial.clients.form.address.title', { n: index + 1 })"
+                        :last="index === addresses.length - 1"
                         :category-options="addressCategoryOptions"
                         :site-options="referentials.sites.value"
                         :contact-options="contactOptions"
diff --git a/frontend/modules/commercial/pages/suppliers/[id]/edit.vue b/frontend/modules/commercial/pages/suppliers/[id]/edit.vue
index 0355031..f6e0927 100644
--- a/frontend/modules/commercial/pages/suppliers/[id]/edit.vue
+++ b/frontend/modules/commercial/pages/suppliers/[id]/edit.vue
@@ -180,6 +180,7 @@
                             :key="address.id ?? `new-${index}`"
                             :model-value="address"
                             :title="t('commercial.suppliers.form.address.title', { n: index + 1 })"
+                            :last="index === addresses.length - 1"
                             :category-options="mainCategoryOptions"
                             :site-options="siteOptions"
                             :contact-options="contactOptions"
diff --git a/frontend/modules/commercial/pages/suppliers/[id]/index.vue b/frontend/modules/commercial/pages/suppliers/[id]/index.vue
index c431cf2..6c43a33 100644
--- a/frontend/modules/commercial/pages/suppliers/[id]/index.vue
+++ b/frontend/modules/commercial/pages/suppliers/[id]/index.vue
@@ -152,6 +152,7 @@
                             :key="view.draft.id ?? index"
                             :model-value="view.draft"
                             :title="t('commercial.suppliers.form.address.title', { n: index + 1 })"
+                            :last="index === addressViews.length - 1"
                             :category-options="view.categoryOptions"
                             :site-options="allSiteOptions"
                             :contact-options="contactOptions"
diff --git a/frontend/modules/commercial/pages/suppliers/new.vue b/frontend/modules/commercial/pages/suppliers/new.vue
index c0249be..40c63dd 100644
--- a/frontend/modules/commercial/pages/suppliers/new.vue
+++ b/frontend/modules/commercial/pages/suppliers/new.vue
@@ -178,6 +178,7 @@
                         :key="index"
                         :model-value="address"
                         :title="t('commercial.suppliers.form.address.title', { n: index + 1 })"
+                        :last="index === addresses.length - 1"
                         :category-options="referentials.categories.value"
                         :site-options="referentials.sites.value"
                         :contact-options="contactOptions"
diff --git a/frontend/modules/technique/components/ProviderAddressBlock.vue b/frontend/modules/technique/components/ProviderAddressBlock.vue
index cf1b61c..24faeef 100644
--- a/frontend/modules/technique/components/ProviderAddressBlock.vue
+++ b/frontend/modules/technique/components/ProviderAddressBlock.vue
@@ -1,131 +1,140 @@
 <template>
-    <div class="relative grid grid-cols-4 gap-x-[44px] gap-y-4 bg-white py-4 pl-[28px] pr-[60px] shadow-[0_4px_4px_0_rgba(0,0,0,0.25)]">
-        <!-- Suppression : modal de confirmation cote parent. -->
-        <MalioButtonIcon
-            v-if="removable && !readonly && !disabled"
-            icon="mdi:delete-outline"
-            variant="ghost"
-            button-class="absolute top-3 right-3"
-            v-bind="{ ariaLabel: t('technique.providers.form.address.remove') }"
-            @click="$emit('remove')"
-        />
-
-        <!-- Sites Starseed : multiselect a tags (>= 1 obligatoire, RG-3.05). -->
-        <MalioSelectCheckbox
-            v-if="!hideEmpty || isFilled(model.siteIris)"
-            :model-value="model.siteIris"
-            :options="siteOptions"
-            :label="t('technique.providers.form.address.sites')"
-            :display-tag="true"
-            :readonly="readonly"
-            :disabled="disabled"
-            :required="!readonly && !disabled"
-            :error="errors?.sites"
-            @update:model-value="(v: (string | number)[]) => update('siteIris', v.map(String))"
-        />
-
-        <!-- Contacts rattaches (M2M, facultatif) : alimente par l'onglet Contact. -->
-        <MalioSelectCheckbox
-            v-if="!hideEmpty || isFilled(model.contactIris)"
-            :model-value="model.contactIris"
-            :options="contactOptions"
-            :label="t('technique.providers.form.address.contacts')"
-            :display-tag="true"
-            :readonly="readonly"
-            :disabled="disabled"
-            @update:model-value="(v: (string | number)[]) => update('contactIris', v.map(String))"
-        />
-
-        <MalioSelect
-            v-if="!hideEmpty || isFilled(model.country)"
-            :model-value="model.country"
-            :options="countryOptions"
-            :label="t('technique.providers.form.address.country')"
-            :readonly="readonly"
-            :disabled="disabled"
-            :required="!readonly && !disabled"
-            @update:model-value="(v: string | number | null) => update('country', String(v ?? 'France'))"
-        />
-
-        <MalioInputText
-            v-if="!hideEmpty || isFilled(model.postalCode)"
-            :model-value="model.postalCode"
-            :label="t('technique.providers.form.address.postalCode')"
-            :mask="POSTAL_CODE_MASK"
-            :readonly="readonly"
-            :disabled="disabled"
-            :required="!readonly && !disabled"
-            :error="errors?.postalCode"
-            @update:model-value="onPostalCodeChange"
-        />
-
-        <!-- Ville : MalioSelect alimente par le code postal (BAN). Saisie libre si BAN indispo. -->
-        <MalioSelect
-            v-if="!degraded && (!hideEmpty || isFilled(model.city))"
-            :model-value="model.city"
-            :options="cityOptions"
-            :label="t('technique.providers.form.address.city')"
-            :readonly="readonly"
-            :disabled="disabled"
-            empty-option-label=""
-            :required="!readonly && !disabled"
-            :error="errors?.city"
-            @update:model-value="onCityChange"
-        />
-        <MalioInputText
-            v-else-if="degraded && (!hideEmpty || isFilled(model.city))"
-            :model-value="model.city"
-            :label="t('technique.providers.form.address.city')"
-            :mask="ADDRESS_MASK"
-            :readonly="readonly"
-            :disabled="disabled"
-            :required="!readonly && !disabled"
-            :error="errors?.city"
-            @update:model-value="(v: string) => update('city', v)"
-        />
-
-        <!-- Adresse (BAN) sur 2 colonnes + Adresse complementaire. allow-create : le
-             texte saisi est conserve si la BAN ne propose rien (saisie manuelle). -->
-        <div v-if="!hideEmpty || isFilled(model.street)" class="col-span-2">
-            <MalioInputAutocomplete
-                v-if="!readonly && !disabled"
-                :model-value="model.street"
-                :options="addressOptions"
-                :loading="addressLoading"
-                :min-search-length="3"
-                :label="t('technique.providers.form.address.street')"
-                :readonly="readonly"
-                :disabled="disabled"
-                :required="!readonly && !disabled"
-                :error="errors?.street"
-                :allow-create="true"
-                :no-results-text="t('technique.providers.form.address.streetNotFound')"
-                @update:model-value="(v: string | number | null) => update('street', v === null ? null : String(v))"
-                @search="onAddressSearch"
-                @select="onAddressSelect"
-            />
-            <MalioInputText
-                v-else
-                :model-value="model.street"
-                :label="t('technique.providers.form.address.street')"
-                :readonly="readonly"
-                :disabled="disabled"
-                :required="!readonly && !disabled"
-                :error="errors?.street"
-                @update:model-value="(v: string) => update('street', v)"
+    <!-- Bloc a plat (sans box-shadow) : un filet noir 1px le separe du suivant
+         (pas de bordure sous le dernier bloc). -->
+    <div class="pb-[20px]" :class="{ 'border-b border-black': !last }">
+        <!-- En-tete : titre du bloc (noir) a gauche, poubelle de suppression a droite. -->
+        <div class="flex items-center justify-between">
+            <h2 class="text-[20px] font-semibold text-black">{{ title }}</h2>
+            <!-- Suppression : modal de confirmation cote parent. -->
+            <MalioButtonIcon
+                v-if="removable && !readonly && !disabled"
+                icon="mdi:delete-outline"
+                variant="ghost"
+                button-class="p-0"
+                v-bind="{ ariaLabel: t('technique.providers.form.address.remove') }"
+                @click="$emit('remove')"
             />
         </div>
 
-        <div v-if="!hideEmpty || isFilled(model.streetComplement)" class="col-span-1">
+        <!-- Grille 4 colonnes des champs de l'adresse. -->
+        <div class="mt-6 grid grid-cols-4 gap-x-[44px] gap-y-4">
+            <!-- Sites Starseed : multiselect a tags (>= 1 obligatoire, RG-3.05). -->
+            <MalioSelectCheckbox
+                v-if="!hideEmpty || isFilled(model.siteIris)"
+                :model-value="model.siteIris"
+                :options="siteOptions"
+                :label="t('technique.providers.form.address.sites')"
+                :display-tag="true"
+                :readonly="readonly"
+                :disabled="disabled"
+                :required="!readonly && !disabled"
+                :error="errors?.sites"
+                @update:model-value="(v: (string | number)[]) => update('siteIris', v.map(String))"
+            />
+
+            <!-- Contacts rattaches (M2M, facultatif) : alimente par l'onglet Contact. -->
+            <MalioSelectCheckbox
+                v-if="!hideEmpty || isFilled(model.contactIris)"
+                :model-value="model.contactIris"
+                :options="contactOptions"
+                :label="t('technique.providers.form.address.contacts')"
+                :display-tag="true"
+                :readonly="readonly"
+                :disabled="disabled"
+                @update:model-value="(v: (string | number)[]) => update('contactIris', v.map(String))"
+            />
+
+            <MalioSelect
+                v-if="!hideEmpty || isFilled(model.country)"
+                :model-value="model.country"
+                :options="countryOptions"
+                :label="t('technique.providers.form.address.country')"
+                :readonly="readonly"
+                :disabled="disabled"
+                :required="!readonly && !disabled"
+                @update:model-value="(v: string | number | null) => update('country', String(v ?? 'France'))"
+            />
+
             <MalioInputText
-                :model-value="model.streetComplement"
-                :label="t('technique.providers.form.address.streetComplement')"
+                v-if="!hideEmpty || isFilled(model.postalCode)"
+                :model-value="model.postalCode"
+                :label="t('technique.providers.form.address.postalCode')"
+                :mask="POSTAL_CODE_MASK"
+                :readonly="readonly"
+                :disabled="disabled"
+                :required="!readonly && !disabled"
+                :error="errors?.postalCode"
+                @update:model-value="onPostalCodeChange"
+            />
+
+            <!-- Ville : MalioSelect alimente par le code postal (BAN). Saisie libre si BAN indispo. -->
+            <MalioSelect
+                v-if="!degraded && (!hideEmpty || isFilled(model.city))"
+                :model-value="model.city"
+                :options="cityOptions"
+                :label="t('technique.providers.form.address.city')"
+                :readonly="readonly"
+                :disabled="disabled"
+                empty-option-label=""
+                :required="!readonly && !disabled"
+                :error="errors?.city"
+                @update:model-value="onCityChange"
+            />
+            <MalioInputText
+                v-else-if="degraded && (!hideEmpty || isFilled(model.city))"
+                :model-value="model.city"
+                :label="t('technique.providers.form.address.city')"
                 :mask="ADDRESS_MASK"
                 :readonly="readonly"
                 :disabled="disabled"
-                :error="errors?.streetComplement"
-                @update:model-value="(v: string) => update('streetComplement', v)"
+                :required="!readonly && !disabled"
+                :error="errors?.city"
+                @update:model-value="(v: string) => update('city', v)"
             />
+
+            <!-- Adresse (BAN) sur 2 colonnes + Adresse complementaire. allow-create : le
+                 texte saisi est conserve si la BAN ne propose rien (saisie manuelle). -->
+            <div v-if="!hideEmpty || isFilled(model.street)" class="col-span-2">
+                <MalioInputAutocomplete
+                    v-if="!readonly && !disabled"
+                    :model-value="model.street"
+                    :options="addressOptions"
+                    :loading="addressLoading"
+                    :min-search-length="3"
+                    :label="t('technique.providers.form.address.street')"
+                    :readonly="readonly"
+                    :disabled="disabled"
+                    :required="!readonly && !disabled"
+                    :error="errors?.street"
+                    :allow-create="true"
+                    :no-results-text="t('technique.providers.form.address.streetNotFound')"
+                    @update:model-value="(v: string | number | null) => update('street', v === null ? null : String(v))"
+                    @search="onAddressSearch"
+                    @select="onAddressSelect"
+                />
+                <MalioInputText
+                    v-else
+                    :model-value="model.street"
+                    :label="t('technique.providers.form.address.street')"
+                    :readonly="readonly"
+                    :disabled="disabled"
+                    :required="!readonly && !disabled"
+                    :error="errors?.street"
+                    @update:model-value="(v: string) => update('street', v)"
+                />
+            </div>
+
+            <div v-if="!hideEmpty || isFilled(model.streetComplement)" class="col-span-1">
+                <MalioInputText
+                    :model-value="model.streetComplement"
+                    :label="t('technique.providers.form.address.streetComplement')"
+                    :mask="ADDRESS_MASK"
+                    :readonly="readonly"
+                    :disabled="disabled"
+                    :error="errors?.streetComplement"
+                    @update:model-value="(v: string) => update('streetComplement', v)"
+                />
+            </div>
         </div>
     </div>
 </template>
@@ -143,6 +152,8 @@ const POSTAL_CODE_MASK = '#####'
 const props = defineProps<{
     /** Brouillon de l'adresse (v-model). */
     modelValue: ProviderAddressFormDraft
+    /** Titre du bloc (ex: « Adresse 1 »). */
+    title: string
     /** Sites Starseed disponibles. */
     siteOptions: RefOption[]
     /** Contacts deja saisis, rattachables a l'adresse. */
@@ -150,6 +161,8 @@ const props = defineProps<{
     /** Pays disponibles (France par defaut). */
     countryOptions: RefOption[]
     removable?: boolean
+    /** Dernier bloc de la liste : supprime le filet de separation bas. */
+    last?: boolean
     readonly?: boolean
     /** Bloc desactive (champs grises, consultation — distinct de readonly). */
     disabled?: boolean
diff --git a/frontend/modules/technique/components/__tests__/ProviderAddressBlock.spec.ts b/frontend/modules/technique/components/__tests__/ProviderAddressBlock.spec.ts
index 9189305..f2a98b9 100644
--- a/frontend/modules/technique/components/__tests__/ProviderAddressBlock.spec.ts
+++ b/frontend/modules/technique/components/__tests__/ProviderAddressBlock.spec.ts
@@ -46,6 +46,7 @@ function mountBlock(overrides: Record<string, unknown> = {}, errors?: Record<str
     return mount(ProviderAddressBlock, {
         props: {
             modelValue: { ...emptyProviderAddress(), ...overrides },
+            title: 'Adresse 1',
             siteOptions: [],
             contactOptions: [],
             countryOptions: [],
diff --git a/frontend/modules/technique/pages/providers/[id]/edit.vue b/frontend/modules/technique/pages/providers/[id]/edit.vue
index 542296c..9e6d62a 100644
--- a/frontend/modules/technique/pages/providers/[id]/edit.vue
+++ b/frontend/modules/technique/pages/providers/[id]/edit.vue
@@ -106,6 +106,8 @@
                             v-for="(address, index) in addresses"
                             :key="index"
                             :model-value="address"
+                            :title="t('technique.providers.form.address.title', { n: index + 1 })"
+                            :last="index === addresses.length - 1"
                             :site-options="referentials.sites.value"
                             :contact-options="contactOptions"
                             :country-options="countryOptions"
diff --git a/frontend/modules/technique/pages/providers/[id]/index.vue b/frontend/modules/technique/pages/providers/[id]/index.vue
index 442030a..ead77bb 100644
--- a/frontend/modules/technique/pages/providers/[id]/index.vue
+++ b/frontend/modules/technique/pages/providers/[id]/index.vue
@@ -96,6 +96,8 @@
                             v-for="(view, index) in addressViews"
                             :key="index"
                             :model-value="view.draft"
+                            :title="t('technique.providers.form.address.title', { n: index + 1 })"
+                            :last="index === addressViews.length - 1"
                             :site-options="view.siteOptions"
                             :contact-options="contactOptions"
                             :country-options="countryOptionsFor(view.draft.country)"
diff --git a/frontend/modules/technique/pages/providers/new.vue b/frontend/modules/technique/pages/providers/new.vue
index 48385fe..d2a3d99 100644
--- a/frontend/modules/technique/pages/providers/new.vue
+++ b/frontend/modules/technique/pages/providers/new.vue
@@ -110,6 +110,8 @@
                         v-for="(address, index) in addresses"
                         :key="index"
                         :model-value="address"
+                        :title="t('technique.providers.form.address.title', { n: index + 1 })"
+                        :last="index === addresses.length - 1"
                         :site-options="referentials.sites.value"
                         :contact-options="contactOptions"
                         :country-options="countryOptions"
diff --git a/frontend/modules/transport/components/CarrierAddressBlock.vue b/frontend/modules/transport/components/CarrierAddressBlock.vue
index 56beceb..fb3ac01 100644
--- a/frontend/modules/transport/components/CarrierAddressBlock.vue
+++ b/frontend/modules/transport/components/CarrierAddressBlock.vue
@@ -1,103 +1,113 @@
 <template>
     <!-- Adresse UNIQUE par transporteur (ERP-172) : un seul bloc, jamais supprimable. -->
-    <div class="relative grid grid-cols-4 gap-x-[44px] gap-y-4 bg-white py-4 pl-[28px] pr-[60px] shadow-[0_4px_4px_0_rgba(0,0,0,0.25)]">
-        <!-- Pays : prerempli « France » (RG-4.05). -->
-        <MalioSelect
-            v-if="!hideEmpty || isFilled(model.country)"
-            :model-value="model.country"
-            :options="countryOptions"
-            :label="t('transport.carriers.form.address.country')"
-            :readonly="readonly"
-            :disabled="disabled"
-            :required="!readonly && !disabled"
-            :error="errors?.country"
-            @update:model-value="(v: string | number | null) => update('country', String(v ?? 'France'))"
-        />
-
-        <!-- Code postal (RG-4.06) : declenche l'autocomplete ville (BAN). -->
-        <MalioInputText
-            v-if="!hideEmpty || isFilled(model.postalCode)"
-            :model-value="model.postalCode"
-            :label="t('transport.carriers.form.address.postalCode')"
-            :mask="POSTAL_CODE_MASK"
-            :readonly="readonly"
-            :disabled="disabled"
-            :required="!readonly && !disabled"
-            :error="errors?.postalCode"
-            @update:model-value="onPostalCodeChange"
-        />
-
-        <!-- Ville : MalioSelect alimente par le code postal (BAN). Saisie libre si BAN indispo. -->
-        <MalioSelect
-            v-if="!degraded && (!hideEmpty || isFilled(model.city))"
-            :model-value="model.city"
-            :options="cityOptions"
-            :label="t('transport.carriers.form.address.city')"
-            :readonly="readonly"
-            :disabled="disabled"
-            empty-option-label=""
-            :required="!readonly && !disabled"
-            :error="errors?.city"
-            @update:model-value="onCityChange"
-        />
-        <MalioInputText
-            v-else-if="degraded && (!hideEmpty || isFilled(model.city))"
-            :model-value="model.city"
-            :label="t('transport.carriers.form.address.city')"
-            :mask="ADDRESS_MASK"
-            :readonly="readonly"
-            :disabled="disabled"
-            :required="!readonly && !disabled"
-            :error="errors?.city"
-            @update:model-value="(v: string) => update('city', v)"
-        />
-
-        <!-- Filler : aligne le debut de la ligne suivante sur la grille. Inutile en
-             consultation masquee (la grille se recompose sans les champs vides). -->
-        <div v-if="!hideEmpty" aria-hidden="true" />
-
-        <!-- Adresse (BAN) sur 2 colonnes + Adresse complementaire. allow-create : le
-             texte saisi est conserve si la BAN ne propose rien (saisie manuelle). -->
-        <div v-if="!hideEmpty || isFilled(model.street)" class="col-span-2">
-            <MalioInputAutocomplete
-                v-if="!readonly && !disabled"
-                :model-value="model.street"
-                :options="addressOptions"
-                :loading="addressLoading"
-                :min-search-length="3"
-                :label="t('transport.carriers.form.address.street')"
-                :readonly="readonly"
-                :disabled="disabled"
-                :required="!readonly && !disabled"
-                :error="errors?.street"
-                :allow-create="true"
-                :no-results-text="t('transport.carriers.form.address.streetNotFound')"
-                @update:model-value="(v: string | number | null) => update('street', v === null ? null : String(v))"
-                @search="onAddressSearch"
-                @select="onAddressSelect"
-            />
-            <MalioInputText
-                v-else
-                :model-value="model.street"
-                :label="t('transport.carriers.form.address.street')"
-                :readonly="readonly"
-                :disabled="disabled"
-                :required="!readonly && !disabled"
-                :error="errors?.street"
-                @update:model-value="(v: string) => update('street', v)"
-            />
+    <!-- Bloc a plat (sans box-shadow) : un filet noir 1px le separe du suivant
+         (pas de bordure sous le dernier bloc). -->
+    <div class="pb-[20px]" :class="{ 'border-b border-black': !last }">
+        <!-- En-tete : titre du bloc, en noir (adresse unique, sans suppression). -->
+        <div class="flex items-center justify-between">
+            <h2 class="text-[20px] font-semibold text-black">{{ title }}</h2>
         </div>
 
-        <MalioInputText
-            v-if="!hideEmpty || isFilled(model.streetComplement)"
-            :model-value="model.streetComplement"
-            :label="t('transport.carriers.form.address.streetComplement')"
-            :mask="ADDRESS_MASK"
-            :readonly="readonly"
-            :disabled="disabled"
-            :error="errors?.streetComplement"
-            @update:model-value="(v: string) => update('streetComplement', v)"
-        />
+        <!-- Grille 4 colonnes des champs de l'adresse. -->
+        <div class="mt-6 grid grid-cols-4 gap-x-[44px] gap-y-4">
+            <!-- Pays : prerempli « France » (RG-4.05). -->
+            <MalioSelect
+                v-if="!hideEmpty || isFilled(model.country)"
+                :model-value="model.country"
+                :options="countryOptions"
+                :label="t('transport.carriers.form.address.country')"
+                :readonly="readonly"
+                :disabled="disabled"
+                :required="!readonly && !disabled"
+                :error="errors?.country"
+                @update:model-value="(v: string | number | null) => update('country', String(v ?? 'France'))"
+            />
+
+            <!-- Code postal (RG-4.06) : declenche l'autocomplete ville (BAN). -->
+            <MalioInputText
+                v-if="!hideEmpty || isFilled(model.postalCode)"
+                :model-value="model.postalCode"
+                :label="t('transport.carriers.form.address.postalCode')"
+                :mask="POSTAL_CODE_MASK"
+                :readonly="readonly"
+                :disabled="disabled"
+                :required="!readonly && !disabled"
+                :error="errors?.postalCode"
+                @update:model-value="onPostalCodeChange"
+            />
+
+            <!-- Ville : MalioSelect alimente par le code postal (BAN). Saisie libre si BAN indispo. -->
+            <MalioSelect
+                v-if="!degraded && (!hideEmpty || isFilled(model.city))"
+                :model-value="model.city"
+                :options="cityOptions"
+                :label="t('transport.carriers.form.address.city')"
+                :readonly="readonly"
+                :disabled="disabled"
+                empty-option-label=""
+                :required="!readonly && !disabled"
+                :error="errors?.city"
+                @update:model-value="onCityChange"
+            />
+            <MalioInputText
+                v-else-if="degraded && (!hideEmpty || isFilled(model.city))"
+                :model-value="model.city"
+                :label="t('transport.carriers.form.address.city')"
+                :mask="ADDRESS_MASK"
+                :readonly="readonly"
+                :disabled="disabled"
+                :required="!readonly && !disabled"
+                :error="errors?.city"
+                @update:model-value="(v: string) => update('city', v)"
+            />
+
+            <!-- Filler : aligne le debut de la ligne suivante sur la grille. Inutile en
+                 consultation masquee (la grille se recompose sans les champs vides). -->
+            <div v-if="!hideEmpty" aria-hidden="true" />
+
+            <!-- Adresse (BAN) sur 2 colonnes + Adresse complementaire. allow-create : le
+                 texte saisi est conserve si la BAN ne propose rien (saisie manuelle). -->
+            <div v-if="!hideEmpty || isFilled(model.street)" class="col-span-2">
+                <MalioInputAutocomplete
+                    v-if="!readonly && !disabled"
+                    :model-value="model.street"
+                    :options="addressOptions"
+                    :loading="addressLoading"
+                    :min-search-length="3"
+                    :label="t('transport.carriers.form.address.street')"
+                    :readonly="readonly"
+                    :disabled="disabled"
+                    :required="!readonly && !disabled"
+                    :error="errors?.street"
+                    :allow-create="true"
+                    :no-results-text="t('transport.carriers.form.address.streetNotFound')"
+                    @update:model-value="(v: string | number | null) => update('street', v === null ? null : String(v))"
+                    @search="onAddressSearch"
+                    @select="onAddressSelect"
+                />
+                <MalioInputText
+                    v-else
+                    :model-value="model.street"
+                    :label="t('transport.carriers.form.address.street')"
+                    :readonly="readonly"
+                    :disabled="disabled"
+                    :required="!readonly && !disabled"
+                    :error="errors?.street"
+                    @update:model-value="(v: string) => update('street', v)"
+                />
+            </div>
+
+            <MalioInputText
+                v-if="!hideEmpty || isFilled(model.streetComplement)"
+                :model-value="model.streetComplement"
+                :label="t('transport.carriers.form.address.streetComplement')"
+                :mask="ADDRESS_MASK"
+                :readonly="readonly"
+                :disabled="disabled"
+                :error="errors?.streetComplement"
+                @update:model-value="(v: string) => update('streetComplement', v)"
+            />
+        </div>
     </div>
 </template>
 
@@ -118,8 +128,12 @@ const POSTAL_CODE_MASK = '#####'
 const props = defineProps<{
     /** Brouillon de l'adresse (v-model). */
     modelValue: CarrierAddressFormDraft
+    /** Titre du bloc (ex: « Adresse 1 »). */
+    title: string
     /** Pays disponibles (France par defaut). */
     countryOptions: RefOption[]
+    /** Dernier bloc de la liste : supprime le filet de separation bas. */
+    last?: boolean
     readonly?: boolean
     /** Bloc desactive (champs grises, consultation — distinct de readonly). */
     disabled?: boolean
diff --git a/frontend/modules/transport/components/__tests__/CarrierAddressBlock.spec.ts b/frontend/modules/transport/components/__tests__/CarrierAddressBlock.spec.ts
index e7c0889..c48ec84 100644
--- a/frontend/modules/transport/components/__tests__/CarrierAddressBlock.spec.ts
+++ b/frontend/modules/transport/components/__tests__/CarrierAddressBlock.spec.ts
@@ -56,6 +56,7 @@ function mountBlock(overrides: Record<string, unknown> = {}) {
     return mount(CarrierAddressBlock, {
         props: {
             modelValue: { ...emptyCarrierAddress(), ...overrides },
+            title: 'Adresse 1',
             countryOptions: [{ value: 'France', label: 'France' }],
         },
         global: {
diff --git a/frontend/modules/transport/pages/carriers/[id]/edit.vue b/frontend/modules/transport/pages/carriers/[id]/edit.vue
index 67fff98..f3bba87 100644
--- a/frontend/modules/transport/pages/carriers/[id]/edit.vue
+++ b/frontend/modules/transport/pages/carriers/[id]/edit.vue
@@ -143,6 +143,8 @@
                         <!-- Adresse UNIQUE (ERP-172) : un seul bloc, sans ajouter/supprimer. -->
                         <CarrierAddressBlock
                             :model-value="address"
+                            :title="t('transport.carriers.form.address.title')"
+                            :last="true"
                             :country-options="countryOptions"
                             :errors="addressErrors"
                             @update:model-value="(v) => address = v"
diff --git a/frontend/modules/transport/pages/carriers/[id]/index.vue b/frontend/modules/transport/pages/carriers/[id]/index.vue
index 89ae325..6b259f6 100644
--- a/frontend/modules/transport/pages/carriers/[id]/index.vue
+++ b/frontend/modules/transport/pages/carriers/[id]/index.vue
@@ -123,6 +123,8 @@
                         <!-- Adresse UNIQUE (ERP-172). -->
                         <CarrierAddressBlock
                             :model-value="address"
+                            :title="t('transport.carriers.form.address.title')"
+                            :last="true"
                             :country-options="countryOptionsFor(address.country)"
                             disabled
                             hide-empty
diff --git a/frontend/modules/transport/pages/carriers/new.vue b/frontend/modules/transport/pages/carriers/new.vue
index 57a5b35..dc9e98b 100644
--- a/frontend/modules/transport/pages/carriers/new.vue
+++ b/frontend/modules/transport/pages/carriers/new.vue
@@ -180,6 +180,8 @@
                     <!-- Adresse UNIQUE (ERP-172) : un seul bloc, sans ajouter/supprimer. -->
                     <CarrierAddressBlock
                         :model-value="address"
+                        :title="t('transport.carriers.form.address.title')"
+                        :last="true"
                         :country-options="countryOptions"
                         :disabled="isQualimat || isValidated('addresses')"
                         :errors="addressErrors"