diff --git a/doc/functional-rules.md b/doc/functional-rules.md
index cd9fa5a..a15f719 100644
--- a/doc/functional-rules.md
+++ b/doc/functional-rules.md
@@ -245,6 +245,7 @@ Tous les filtres checkbox sont cochés par défaut à l'ouverture du drawer.
       - pour `FORFAIT`:
         - pris: basé sur toutes les absences (demi-journées incluses)
         - restants = acquis - pris (borné à 0)
+        - paiement congés N-1: saisie RH via `PATCH /employees/{id}/paid-leave-days` (body: `paidLeaveDays`, `year`). Stocké dans `employee_leave_balances.paid_leave_days`. Les jours payés sont soustraits du reste à prendre N-1 (`previousYearRemainingDays = max(0, acquis_N-1 - pris_N-1 - payés)`). Uniquement pour les contrats forfait.
       - report annuel:
         - le reliquat (`restants`) de l'exercice précédent est reporté dans les acquis de l'exercice courant
         - pour `CDI`/`CDD` non forfait: report séparé jours + samedis
diff --git a/frontend/components/employees/LeaveTab.vue b/frontend/components/employees/LeaveTab.vue
index 35cf17c..b61e5d5 100644
--- a/frontend/components/employees/LeaveTab.vue
+++ b/frontend/components/employees/LeaveTab.vue
@@ -32,6 +32,18 @@
             <p v-if="isForfaitRule" class="col-start-3 p-[10px] border-r-primary-500 bg-primary-500 text-white"><span class="uppercase font-semibold">Reste à prendre :</span>
                 {{ formatCount(summary?.previousYearRemainingDays) }} Jours
             </p>
+            <div v-if="isForfaitRule" class="col-start-4 p-[10px] flex gap-7 items-center">
+                <div>
+                    <span class="uppercase font-semibold">Année n-1 payés : </span>
+                    <span> {{ formatCount(summary?.previousYearPaidDays) }} Jours</span>
+                </div>
+                <button
+                    class="flex items-center"
+                    @click="openPaidLeaveDrawer"
+                >
+                    <Icon name="mdi:edit-box" size="24"/>
+                </button>
+            </div>
             <div v-if="!isForfaitRule" class="col-start-4 p-[10px] flex gap-7 items-center">
                 <div>
                     <span class="uppercase font-semibold">Fractionné acquis : </span>
@@ -112,6 +124,39 @@
                 </div>
             </form>
         </AppDrawer>
+        <AppDrawer v-model="isPaidLeaveDrawerOpen" title="Congés N-1 payés">
+            <form class="space-y-4" @submit.prevent="handleSubmitPaidLeave">
+                <div>
+                    <label class="text-md font-semibold text-neutral-700" for="paid-leave-days">
+                        Nombre de jours <span class="text-red-600">*</span>
+                    </label>
+                    <input
+                        id="paid-leave-days"
+                        v-model="paidLeaveForm.days"
+                        type="number"
+                        step="0.5"
+                        min="0"
+                        class="mt-2 w-full rounded-md border border-neutral-300 px-3 py-2 text-md text-neutral-900 focus:border-primary-500 focus:outline-none focus:ring-2 focus:ring-secondary-500/20"
+                    />
+                </div>
+
+                <div class="flex justify-end gap-3 pt-2">
+                    <button
+                        type="button"
+                        class="rounded-lg border border-neutral-200 px-4 py-2 text-md font-semibold text-neutral-700 hover:bg-neutral-100"
+                        @click="isPaidLeaveDrawerOpen = false"
+                    >
+                        Annuler
+                    </button>
+                    <button
+                        type="submit"
+                        class="rounded-lg bg-primary-500 px-4 py-2 text-md font-semibold text-white hover:bg-secondary-500"
+                    >
+                        Enregistrer
+                    </button>
+                </div>
+            </form>
+        </AppDrawer>
     </section>
 </template>
 
@@ -136,11 +181,15 @@ const props = defineProps<{
 
 const emit = defineEmits<{
     (event: 'update-fractioned-days', days: number): void
+    (event: 'update-paid-leave-days', days: number): void
 }>()
 
 const isFractionedDrawerOpen = ref(false)
 const fractionedForm = reactive({days: 0})
 
+const isPaidLeaveDrawerOpen = ref(false)
+const paidLeaveForm = reactive({days: 0})
+
 const openFractionedDrawer = () => {
     fractionedForm.days = props.summary?.fractionedDays ?? 0
     isFractionedDrawerOpen.value = true
@@ -153,6 +202,18 @@ const handleSubmitFractioned = () => {
     isFractionedDrawerOpen.value = false
 }
 
+const openPaidLeaveDrawer = () => {
+    paidLeaveForm.days = props.summary?.previousYearPaidDays ?? 0
+    isPaidLeaveDrawerOpen.value = true
+}
+
+const handleSubmitPaidLeave = () => {
+    const value = Number(paidLeaveForm.days)
+    if (Number.isNaN(value) || value < 0) return
+    emit('update-paid-leave-days', value)
+    isPaidLeaveDrawerOpen.value = false
+}
+
 const monthLabels = [
     'Janvier',
     'Fevrier',
diff --git a/frontend/composables/useEmployeeLeave.ts b/frontend/composables/useEmployeeLeave.ts
index 4b250f2..cf6e694 100644
--- a/frontend/composables/useEmployeeLeave.ts
+++ b/frontend/composables/useEmployeeLeave.ts
@@ -4,7 +4,7 @@ import type { EmployeeLeaveSummary } from '~/services/dto/employee-leave-summary
 import type { Employee } from '~/services/dto/employee'
 import { CONTRACT_TYPES } from '~/services/dto/contract'
 import { listAbsences } from '~/services/absences'
-import { getEmployeeLeaveSummary, updateFractionedDays } from '~/services/employee-leave-summary'
+import { getEmployeeLeaveSummary, updateFractionedDays, updatePaidLeaveDays } from '~/services/employee-leave-summary'
 import { listPublicHolidays } from '~/services/public-holidays'
 
 export const useEmployeeLeave = (employee: Ref<Employee | null>, reloadEmployee: () => Promise<void>) => {
@@ -57,6 +57,13 @@ export const useEmployeeLeave = (employee: Ref<Employee | null>, reloadEmployee:
     await reloadEmployee()
   }
 
+  const submitPaidLeaveDays = async (days: number) => {
+    if (!employee.value) return
+    const year = leaveSummary.value?.year ?? undefined
+    await updatePaidLeaveDays(employee.value.id, days, year)
+    await reloadEmployee()
+  }
+
   return {
     employeeAbsences,
     leaveSummary,
@@ -65,6 +72,7 @@ export const useEmployeeLeave = (employee: Ref<Employee | null>, reloadEmployee:
     leaveDataLoaded,
     loadLeaveData,
     resetLoaded,
-    submitFractionedDays
+    submitFractionedDays,
+    submitPaidLeaveDays
   }
 }
diff --git a/frontend/pages/employees/[id].vue b/frontend/pages/employees/[id].vue
index 39d03b0..688c062 100644
--- a/frontend/pages/employees/[id].vue
+++ b/frontend/pages/employees/[id].vue
@@ -148,6 +148,7 @@
                         :summary="leaveSummary"
                         :public-holidays="publicHolidays"
                         @update-fractioned-days="submitFractionedDays"
+                        @update-paid-leave-days="submitPaidLeaveDays"
                     />
                 </div>
                 <div v-else-if="showRttTab && activeTab === 'rtt'" class="h-full">
@@ -259,6 +260,7 @@ const {
     submitContractUpdate,
     submitCreateContract,
     submitFractionedDays,
+    submitPaidLeaveDays,
     submitRttPayment,
     suspensionForms,
     isSuspensionSubmitting,
diff --git a/frontend/services/dto/employee-leave-summary.ts b/frontend/services/dto/employee-leave-summary.ts
index fe9bfd2..20a85e0 100644
--- a/frontend/services/dto/employee-leave-summary.ts
+++ b/frontend/services/dto/employee-leave-summary.ts
@@ -13,6 +13,7 @@ export type EmployeeLeaveSummary = {
   previousYearAcquiredDays: number
   previousYearTakenDays: number
   previousYearRemainingDays: number
+  previousYearPaidDays: number
   presenceDaysByMonth: Record<string, number>
 }
 
diff --git a/frontend/services/employee-leave-summary.ts b/frontend/services/employee-leave-summary.ts
index b419abc..ab73825 100644
--- a/frontend/services/employee-leave-summary.ts
+++ b/frontend/services/employee-leave-summary.ts
@@ -16,3 +16,11 @@ export const updateFractionedDays = async (employeeId: number, fractionedDays: n
   return api.patch(`/employees/${employeeId}/fractioned-days`, body)
 }
 
+export const updatePaidLeaveDays = async (employeeId: number, paidLeaveDays: number, year?: number) => {
+  const api = useApi()
+  const body: Record<string, unknown> = { paidLeaveDays }
+  if (year) body.year = year
+
+  return api.patch(`/employees/${employeeId}/paid-leave-days`, body)
+}
+
diff --git a/migrations/Version20260402064647.php b/migrations/Version20260402064647.php
new file mode 100644
index 0000000..7eb3865
--- /dev/null
+++ b/migrations/Version20260402064647.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20260402064647 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Add paid_leave_days column to employee_leave_balances for forfait N-1 leave payment';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE employee_leave_balances ADD paid_leave_days DOUBLE PRECISION DEFAULT 0 NOT NULL');
+        $this->addSql("COMMENT ON COLUMN employee_leave_balances.paid_leave_days IS 'Jours de conges N-1 payes par la RH (forfait uniquement).'");
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE employee_leave_balances DROP paid_leave_days');
+    }
+}
diff --git a/src/ApiResource/EmployeeLeaveSummary.php b/src/ApiResource/EmployeeLeaveSummary.php
index 49f2832..0b275bd 100644
--- a/src/ApiResource/EmployeeLeaveSummary.php
+++ b/src/ApiResource/EmployeeLeaveSummary.php
@@ -34,6 +34,7 @@ final class EmployeeLeaveSummary
     public float $previousYearAcquiredDays  = 0.0;
     public float $previousYearTakenDays     = 0.0;
     public float $previousYearRemainingDays = 0.0;
+    public float $previousYearPaidDays      = 0.0;
 
     /** @var array<string, float> YYYY-MM => count (0.5 for half-days) */
     public array $presenceDaysByMonth = [];
diff --git a/src/ApiResource/EmployeePaidLeaveDaysInput.php b/src/ApiResource/EmployeePaidLeaveDaysInput.php
new file mode 100644
index 0000000..8efc2c9
--- /dev/null
+++ b/src/ApiResource/EmployeePaidLeaveDaysInput.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\ApiResource;
+
+use ApiPlatform\Metadata\ApiResource;
+use ApiPlatform\Metadata\Patch;
+use App\State\EmployeePaidLeaveDaysProcessor;
+use App\State\EmployeePaidLeaveDaysProvider;
+
+#[ApiResource(
+    operations: [
+        new Patch(
+            uriTemplate: '/employees/{id}/paid-leave-days',
+            security: "is_granted('ROLE_ADMIN')",
+            provider: EmployeePaidLeaveDaysProvider::class,
+            processor: EmployeePaidLeaveDaysProcessor::class
+        ),
+    ],
+    paginationEnabled: false
+)]
+final class EmployeePaidLeaveDaysInput
+{
+    public float $paidLeaveDays = 0.0;
+    public ?int $year           = null;
+}
diff --git a/src/Entity/EmployeeLeaveBalance.php b/src/Entity/EmployeeLeaveBalance.php
index 2bdf959..5162cfe 100644
--- a/src/Entity/EmployeeLeaveBalance.php
+++ b/src/Entity/EmployeeLeaveBalance.php
@@ -57,6 +57,9 @@ class EmployeeLeaveBalance
     #[ORM\Column(type: 'float', options: ['default' => 0, 'comment' => 'Jours de fractionnement saisis par la RH.'])]
     private float $fractionedDays = 0.0;
 
+    #[ORM\Column(type: 'float', options: ['default' => 0, 'comment' => 'Jours de conges N-1 payes par la RH (forfait uniquement).'])]
+    private float $paidLeaveDays = 0.0;
+
     #[ORM\Column(type: 'boolean', options: ['default' => false, 'comment' => 'Indique si le solde de l exercice est fige (verrouille RH).'])]
     private bool $isLocked = false;
 
@@ -222,6 +225,18 @@ class EmployeeLeaveBalance
         return $this;
     }
 
+    public function getPaidLeaveDays(): float
+    {
+        return $this->paidLeaveDays;
+    }
+
+    public function setPaidLeaveDays(float $paidLeaveDays): self
+    {
+        $this->paidLeaveDays = $paidLeaveDays;
+
+        return $this;
+    }
+
     public function isLocked(): bool
     {
         return $this->isLocked;
diff --git a/src/State/EmployeeLeaveSummaryProvider.php b/src/State/EmployeeLeaveSummaryProvider.php
index 6223902..3453ed7 100644
--- a/src/State/EmployeeLeaveSummaryProvider.php
+++ b/src/State/EmployeeLeaveSummaryProvider.php
@@ -93,6 +93,7 @@ final readonly class EmployeeLeaveSummaryProvider implements ProviderInterface
         }
 
         $fractionedDays = $this->resolveFractionedDays($employee, $yearSummary['ruleCode'], $year);
+        $paidLeaveDays  = $this->resolvePaidLeaveDays($employee, $yearSummary['ruleCode'], $year);
 
         $summary->isSupported               = true;
         $summary->ruleCode                  = $yearSummary['ruleCode'];
@@ -106,7 +107,8 @@ final readonly class EmployeeLeaveSummaryProvider implements ProviderInterface
         $summary->remainingSaturdays        = $yearSummary['remainingSaturdays'];
         $summary->previousYearAcquiredDays  = $yearSummary['previousYearAcquiredDays'];
         $summary->previousYearTakenDays     = $yearSummary['previousYearTakenDays'];
-        $summary->previousYearRemainingDays = $yearSummary['previousYearRemainingDays'];
+        $summary->previousYearRemainingDays = max(0.0, $yearSummary['previousYearRemainingDays'] - $paidLeaveDays);
+        $summary->previousYearPaidDays      = $paidLeaveDays;
 
         [$periodFrom, $periodTo]      = $this->resolvePeriodBounds($employee, $year);
         $summary->presenceDaysByMonth = $this->computePresenceDaysByMonth($employee, $periodFrom, $periodTo);
@@ -765,6 +767,13 @@ final readonly class EmployeeLeaveSummaryProvider implements ProviderInterface
         return null !== $balance ? $balance->getFractionedDays() : 0.0;
     }
 
+    private function resolvePaidLeaveDays(Employee $employee, string $ruleCode, int $year): float
+    {
+        $balance = $this->leaveBalanceRepository->findOneByEmployeeRuleAndYear($employee, $ruleCode, $year);
+
+        return null !== $balance ? $balance->getPaidLeaveDays() : 0.0;
+    }
+
     private function resolveCurrentLeaveYear(DateTimeImmutable $today): int
     {
         $year  = (int) $today->format('Y');
diff --git a/src/State/EmployeePaidLeaveDaysProcessor.php b/src/State/EmployeePaidLeaveDaysProcessor.php
new file mode 100644
index 0000000..8ba00c6
--- /dev/null
+++ b/src/State/EmployeePaidLeaveDaysProcessor.php
@@ -0,0 +1,101 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\State;
+
+use ApiPlatform\Metadata\Operation;
+use ApiPlatform\State\ProcessorInterface;
+use App\ApiResource\EmployeePaidLeaveDaysInput;
+use App\Entity\Employee;
+use App\Entity\EmployeeLeaveBalance;
+use App\Enum\ContractType;
+use App\Enum\LeaveRuleCode;
+use App\Repository\EmployeeLeaveBalanceRepository;
+use App\Repository\EmployeeRepository;
+use App\Service\AuditLogger;
+use DateTimeImmutable;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+use Symfony\Component\HttpKernel\Exception\UnprocessableEntityHttpException;
+
+final readonly class EmployeePaidLeaveDaysProcessor implements ProcessorInterface
+{
+    public function __construct(
+        private EmployeeRepository $employeeRepository,
+        private EmployeeLeaveBalanceRepository $leaveBalanceRepository,
+        private EntityManagerInterface $entityManager,
+        private AuditLogger $auditLogger,
+    ) {}
+
+    public function process(mixed $data, Operation $operation, array $uriVariables = [], array $context = []): EmployeePaidLeaveDaysInput
+    {
+        if (!$data instanceof EmployeePaidLeaveDaysInput) {
+            throw new UnprocessableEntityHttpException('Invalid payload.');
+        }
+
+        $employeeId = (int) ($uriVariables['id'] ?? 0);
+        if ($employeeId <= 0) {
+            throw new UnprocessableEntityHttpException('id must be a positive integer.');
+        }
+
+        $employee = $this->employeeRepository->find($employeeId);
+        if (!$employee instanceof Employee) {
+            throw new NotFoundHttpException('Employee not found.');
+        }
+
+        $year     = $data->year ?? $this->resolveCurrentYear($employee);
+        $ruleCode = $this->resolveRuleCode($employee);
+
+        $balance = $this->leaveBalanceRepository->findOneByEmployeeRuleAndYear($employee, $ruleCode, $year);
+
+        if (null === $balance) {
+            $balance = new EmployeeLeaveBalance();
+            $balance->setEmployee($employee);
+            $balance->setRuleCode($ruleCode);
+            $balance->setYear($year);
+            $this->entityManager->persist($balance);
+        }
+
+        $balance->setPaidLeaveDays($data->paidLeaveDays);
+        $balance->touch();
+
+        $empName = trim(($employee->getLastName() ?? '').' '.($employee->getFirstName() ?? ''));
+        $this->auditLogger->log(
+            $employee,
+            'update',
+            'paid_leave_days',
+            $balance->getId(),
+            sprintf('Congés N-1 payés modifiés pour %s (année %d) : %s', $empName, $year, (string) $data->paidLeaveDays),
+            ['new' => ['paidLeaveDays' => $data->paidLeaveDays, 'year' => $year]],
+        );
+
+        $this->entityManager->flush();
+
+        $data->year = $year;
+
+        return $data;
+    }
+
+    private function resolveRuleCode(Employee $employee): LeaveRuleCode
+    {
+        if (ContractType::FORFAIT === $employee->getContract()?->getType()) {
+            return LeaveRuleCode::FORFAIT_218;
+        }
+
+        return LeaveRuleCode::CDI_CDD_NON_FORFAIT;
+    }
+
+    private function resolveCurrentYear(Employee $employee): int
+    {
+        $today = new DateTimeImmutable('today');
+
+        if (ContractType::FORFAIT === $employee->getContract()?->getType()) {
+            return (int) $today->format('Y');
+        }
+
+        $month = (int) $today->format('n');
+
+        return $month >= 6 ? (int) $today->format('Y') + 1 : (int) $today->format('Y');
+    }
+}
diff --git a/src/State/EmployeePaidLeaveDaysProvider.php b/src/State/EmployeePaidLeaveDaysProvider.php
new file mode 100644
index 0000000..bf696cd
--- /dev/null
+++ b/src/State/EmployeePaidLeaveDaysProvider.php
@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\State;
+
+use ApiPlatform\Metadata\Operation;
+use ApiPlatform\State\ProviderInterface;
+use App\ApiResource\EmployeePaidLeaveDaysInput;
+
+final readonly class EmployeePaidLeaveDaysProvider implements ProviderInterface
+{
+    public function provide(Operation $operation, array $uriVariables = [], array $context = []): EmployeePaidLeaveDaysInput
+    {
+        return new EmployeePaidLeaveDaysInput();
+    }
+}