diff --git a/src/app/api/admin/CustomersController.ts b/src/app/api/admin/CustomersController.ts
index 5f9ed4ec..c0aa1c49 100644
--- a/src/app/api/admin/CustomersController.ts
+++ b/src/app/api/admin/CustomersController.ts
@@ -50,17 +50,38 @@ export default class CustomersController extends ApiController {
 		}
 	}
 
+	
 	/**
 	 * @description Create a new customer
 	 */
-	@Post("/api/v1/admin/customers", [authHandler, ruleHandler])
+	@Post("/api/v1/notary/customers", [authHandler, ruleHandler])
 	protected async post(req: Request, response: Response) {
 		try {
 			//init IUser resource with request body values
 			const customerEntity = Customer.hydrate<Customer>(req.body);
 			//validate user
-			await validateOrReject(customerEntity, { groups: ["createCustomer"], forbidUnknownValues: false });
+			try {
+				await validateOrReject(customerEntity, { groups: ["createCustomer"], forbidUnknownValues: false });
+			} catch (error) {
+				this.httpValidationError(response, error);
+				return;
+			}
 
+			const customers = await this.customersService.get({
+				where: {
+					contact: { email: customerEntity.contact?.email },
+					office_folders: {
+						some: {
+							office_uid: req.body.user.office_Id,
+						},
+					},
+				},
+			});
+
+			if (customers.length > 0) {
+				this.httpValidationError(response, [{ property: "email", constraints: { unique: "email déjà utilisé" } }]);
+				return;
+			}
 			//call service to get prisma entity
 			const customerEntityCreated = await this.customersService.create(customerEntity);
 			//Hydrate ressource with prisma entity
@@ -106,6 +127,31 @@ export default class CustomersController extends ApiController {
 				this.httpValidationError(response, error);
 				return;
 			}
+
+			const customers = await this.customersService.get({
+				where: {
+					contact: { email: customerEntity.contact?.email },
+					office_folders: {
+						some: {
+							office_uid: req.body.user.office_Id,
+						},
+					},
+				},
+			});
+
+			if (customers.length != 0) {
+				try {
+					customers.forEach((customer) => {
+						if (customer.uid != uid) {
+							throw new Error("email déjà utilisé");
+						}
+					});
+				} catch (error) {
+					this.httpValidationError(response, [{ property: "email", constraints: { unique: "email déjà utilisé" } }]);
+					return;
+				}
+			}
+
 			//call service to get prisma entity
 			try {
 				const customerEntityUpdated = await this.customersService.update(uid, customerEntity);
diff --git a/src/app/api/notary/CustomersController.ts b/src/app/api/notary/CustomersController.ts
index 69b6bb7f..349229cf 100644
--- a/src/app/api/notary/CustomersController.ts
+++ b/src/app/api/notary/CustomersController.ts
@@ -63,6 +63,22 @@ export default class CustomersController extends ApiController {
 				this.httpValidationError(response, error);
 				return;
 			}
+
+			const customers = await this.customersService.get({
+				where: {
+					contact: { email: customerEntity.contact?.email },
+					office_folders: {
+						some: {
+							office_uid: req.body.user.office_Id,
+						},
+					},
+				},
+			});
+
+			if (customers.length > 0) {
+				this.httpValidationError(response, [{ property: "email", constraints: { unique: "email déjà utilisé" } }]);
+				return;
+			}
 			//call service to get prisma entity
 			const customerEntityCreated = await this.customersService.create(customerEntity);
 			//Hydrate ressource with prisma entity
@@ -108,6 +124,31 @@ export default class CustomersController extends ApiController {
 				this.httpValidationError(response, error);
 				return;
 			}
+
+			const customers = await this.customersService.get({
+				where: {
+					contact: { email: customerEntity.contact?.email },
+					office_folders: {
+						some: {
+							office_uid: req.body.user.office_Id,
+						},
+					},
+				},
+			});
+
+			if (customers.length != 0) {
+				try {
+					customers.forEach((customer) => {
+						if (customer.uid != uid) {
+							throw new Error("email déjà utilisé");
+						}
+					});
+				} catch (error) {
+					this.httpValidationError(response, [{ property: "email", constraints: { unique: "email déjà utilisé" } }]);
+					return;
+				}
+			}
+
 			//call service to get prisma entity
 			try {
 				const customerEntityUpdated = await this.customersService.update(uid, customerEntity);
diff --git a/src/app/api/super-admin/CustomersController.ts b/src/app/api/super-admin/CustomersController.ts
index b3402942..05ef2c6a 100644
--- a/src/app/api/super-admin/CustomersController.ts
+++ b/src/app/api/super-admin/CustomersController.ts
@@ -50,17 +50,38 @@ export default class CustomersController extends ApiController {
 		}
 	}
 
+	
 	/**
 	 * @description Create a new customer
 	 */
-	@Post("/api/v1/super-admin/customers", [authHandler, roleHandler, ruleHandler])
+	@Post("/api/v1/notary/customers", [authHandler, ruleHandler])
 	protected async post(req: Request, response: Response) {
 		try {
 			//init IUser resource with request body values
 			const customerEntity = Customer.hydrate<Customer>(req.body);
 			//validate user
-			await validateOrReject(customerEntity, { groups: ["createCustomer"], forbidUnknownValues: false });
+			try {
+				await validateOrReject(customerEntity, { groups: ["createCustomer"], forbidUnknownValues: false });
+			} catch (error) {
+				this.httpValidationError(response, error);
+				return;
+			}
 
+			const customers = await this.customersService.get({
+				where: {
+					contact: { email: customerEntity.contact?.email },
+					office_folders: {
+						some: {
+							office_uid: req.body.user.office_Id,
+						},
+					},
+				},
+			});
+
+			if (customers.length > 0) {
+				this.httpValidationError(response, [{ property: "email", constraints: { unique: "email déjà utilisé" } }]);
+				return;
+			}
 			//call service to get prisma entity
 			const customerEntityCreated = await this.customersService.create(customerEntity);
 			//Hydrate ressource with prisma entity
@@ -94,9 +115,9 @@ export default class CustomersController extends ApiController {
 				this.httpNotFoundRequest(response, "user not found");
 				return;
 			}
-			
+
 			req.body.contact.uid = userFound.contact_uid;
-			
+
 			//init IUser resource with request body values
 			const customerEntity = Customer.hydrate<Customer>(req.body);
 			//validate user
@@ -106,6 +127,31 @@ export default class CustomersController extends ApiController {
 				this.httpValidationError(response, error);
 				return;
 			}
+
+			const customers = await this.customersService.get({
+				where: {
+					contact: { email: customerEntity.contact?.email },
+					office_folders: {
+						some: {
+							office_uid: req.body.user.office_Id,
+						},
+					},
+				},
+			});
+
+			if (customers.length != 0) {
+				try {
+					customers.forEach((customer) => {
+						if (customer.uid != uid) {
+							throw new Error("email déjà utilisé");
+						}
+					});
+				} catch (error) {
+					this.httpValidationError(response, [{ property: "email", constraints: { unique: "email déjà utilisé" } }]);
+					return;
+				}
+			}
+
 			//call service to get prisma entity
 			try {
 				const customerEntityUpdated = await this.customersService.update(uid, customerEntity);