diff --git a/dist/Notary/Contact.js b/dist/Notary/Contact.js
index 2bb361b..202c710 100644
--- a/dist/Notary/Contact.js
+++ b/dist/Notary/Contact.js
@@ -44,18 +44,21 @@ __decorate([
 __decorate([
     (0, class_transformer_1.Expose)(),
     (0, class_validator_1.IsOptional)({ groups: ["updateCustomer"] }),
+    (0, class_validator_1.NotEquals)(null || '', { groups: ["updateCustomer"], message: "Prénom ne peut pas être vide" }),
     (0, class_validator_1.IsNotEmpty)({ groups: ["createCustomer"], message: "First name is required" }),
     __metadata("design:type", String)
 ], Contact.prototype, "first_name", void 0);
 __decorate([
     (0, class_transformer_1.Expose)(),
     (0, class_validator_1.IsOptional)({ groups: ["updateCustomer"] }),
+    (0, class_validator_1.NotEquals)(null || '', { groups: ["updateCustomer"], message: "Nom ne peut pas être vide" }),
     (0, class_validator_1.IsNotEmpty)({ groups: ["createCustomer"], message: "Last name is required" }),
     __metadata("design:type", String)
 ], Contact.prototype, "last_name", void 0);
 __decorate([
     (0, class_transformer_1.Expose)(),
     (0, class_validator_1.IsOptional)({ groups: ["updateCustomer"] }),
+    (0, class_validator_1.NotEquals)(null || '', { groups: ["updateCustomer"], message: "Email ne peut pas être vide" }),
     (0, class_validator_1.IsNotEmpty)({ groups: ["createCustomer"] }),
     (0, class_validator_1.IsEmail)({}, { groups: ["createCustomer", "updateCustomer"], message: "Email is not valid" }),
     __metadata("design:type", String)
@@ -63,6 +66,7 @@ __decorate([
 __decorate([
     (0, class_transformer_1.Expose)(),
     (0, class_validator_1.IsOptional)({ groups: ["updateCustomer"] }),
+    (0, class_validator_1.NotEquals)(null || '', { groups: ["updateCustomer"], message: "Numéro de téléphone ne peut pas être vide" }),
     (0, class_validator_1.IsNotEmpty)({ groups: ["createCustomer"] }),
     __metadata("design:type", String)
 ], Contact.prototype, "cell_phone_number", void 0);
diff --git a/dist/Notary/DeedType.js b/dist/Notary/DeedType.js
index 7f71a7e..4dc8231 100644
--- a/dist/Notary/DeedType.js
+++ b/dist/Notary/DeedType.js
@@ -46,12 +46,14 @@ __decorate([
 ], DeedType.prototype, "uid", void 0);
 __decorate([
     (0, class_transformer_1.Expose)(),
-    (0, class_validator_1.IsNotEmpty)({ groups: ["createDeedType", "updateDeedType"], message: "Name is required" }),
+    (0, class_validator_1.IsNotEmpty)({ groups: ["createDeedType"], message: "Name is required" }),
+    (0, class_validator_1.NotEquals)(null || '', { groups: ["updateDeedType"], message: "Name is required" }),
     __metadata("design:type", String)
 ], DeedType.prototype, "name", void 0);
 __decorate([
     (0, class_transformer_1.Expose)(),
-    (0, class_validator_1.IsNotEmpty)({ groups: ["createDeedType", "updateDeedType"], message: "Description is required" }),
+    (0, class_validator_1.IsNotEmpty)({ groups: ["createDeedType"], message: "Description is required" }),
+    (0, class_validator_1.NotEquals)(null || '', { groups: ["updateDeedType"], message: "Name is required" }),
     __metadata("design:type", String)
 ], DeedType.prototype, "description", void 0);
 __decorate([
diff --git a/dist/Notary/DocumentType.js b/dist/Notary/DocumentType.js
index 439b7c4..740ec33 100644
--- a/dist/Notary/DocumentType.js
+++ b/dist/Notary/DocumentType.js
@@ -49,12 +49,14 @@ __decorate([
 __decorate([
     (0, class_transformer_1.Expose)(),
     (0, class_validator_1.IsOptional)({ groups: ["updateDocumentType"] }),
+    (0, class_validator_1.NotEquals)(null || '', { groups: ["updateDocumentType"], message: "Nom du document ne peut pas être vide" }),
     (0, class_validator_1.IsNotEmpty)({ groups: ["createDocumentType"], message: "Name is required" }),
     __metadata("design:type", String)
 ], DocumentType.prototype, "name", void 0);
 __decorate([
     (0, class_transformer_1.Expose)(),
     (0, class_validator_1.IsOptional)({ groups: ["updateDocumentType"] }),
+    (0, class_validator_1.NotEquals)(null || '', { groups: ["updateDocumentType"], message: "Description ne peut pas être vide" }),
     (0, class_validator_1.IsNotEmpty)({ groups: ["createDocumentType"], message: "Public description is required" }),
     __metadata("design:type", String)
 ], DocumentType.prototype, "public_description", void 0);
diff --git a/dist/Notary/OfficeRole.js b/dist/Notary/OfficeRole.js
index 91bf307..51cb67e 100644
--- a/dist/Notary/OfficeRole.js
+++ b/dist/Notary/OfficeRole.js
@@ -32,7 +32,8 @@ __decorate([
 ], OfficeRole.prototype, "uid", void 0);
 __decorate([
     (0, class_transformer_1.Expose)(),
-    (0, class_validator_1.IsNotEmpty)({ message: "Name is required" }),
+    (0, class_validator_1.IsNotEmpty)({ groups: ["createOfficeRole"], message: "Nom du rôle ne peut pas être vide" }),
+    (0, class_validator_1.NotEquals)(null || '', { groups: ["updateOfficeRole"], message: "Nom du rôle ne peut pas être vide" }),
     __metadata("design:type", String)
 ], OfficeRole.prototype, "name", void 0);
 __decorate([
diff --git a/dist/Notary/Role.js b/dist/Notary/Role.js
index 5d1ea6c..1e01bc9 100644
--- a/dist/Notary/Role.js
+++ b/dist/Notary/Role.js
@@ -31,7 +31,8 @@ __decorate([
 ], Role.prototype, "uid", void 0);
 __decorate([
     (0, class_transformer_1.Expose)(),
-    (0, class_validator_1.IsNotEmpty)({ groups: ["createRole"], message: "Name is required" }),
+    (0, class_validator_1.IsNotEmpty)({ groups: ["createRole"], message: "Nom du rôle ne peut pas être vide" }),
+    (0, class_validator_1.NotEquals)(null || '', { groups: ["updateRole"], message: "Nom du rôle ne peut pas être vide" }),
     __metadata("design:type", String)
 ], Role.prototype, "name", void 0);
 __decorate([
diff --git a/src/Notary/Contact.ts b/src/Notary/Contact.ts
index 77da09d..20b105c 100644
--- a/src/Notary/Contact.ts
+++ b/src/Notary/Contact.ts
@@ -1,7 +1,7 @@
 export * from "../Customer/Contact";
 import { Expose, Type } from "class-transformer";
 import ContactCustomer, { ECivility } from "../Customer/Contact";
-import { IsEmail, IsNotEmpty, IsOptional, ValidateNested } from "class-validator";
+import { IsEmail, IsNotEmpty, IsOptional, NotEquals, ValidateNested } from "class-validator";
 import Address from "./Address";
 
 export default class Contact extends ContactCustomer {
@@ -10,22 +10,26 @@ export default class Contact extends ContactCustomer {
 
   @Expose()
   @IsOptional({ groups: ["updateCustomer"]})
+  @NotEquals(null || '', { groups: ["updateCustomer"], message: "Prénom ne peut pas être vide" })
   @IsNotEmpty({ groups: ["createCustomer"], message: "First name is required" })
   public override first_name!: string;
 
   @Expose()
   @IsOptional({ groups: ["updateCustomer"]})
+  @NotEquals(null || '', { groups: ["updateCustomer"], message: "Nom ne peut pas être vide" })
   @IsNotEmpty({ groups: ["createCustomer"], message: "Last name is required" })
   public override last_name!: string;
 
   @Expose()
   @IsOptional({ groups: ["updateCustomer"]})
+  @NotEquals(null || '', { groups: ["updateCustomer"], message: "Email ne peut pas être vide" })
   @IsNotEmpty({ groups: ["createCustomer"] })
   @IsEmail({}, { groups: ["createCustomer", "updateCustomer"], message: "Email is not valid" })
   public override email!: string;
 
   @Expose()
   @IsOptional({ groups: ["updateCustomer"]})
+  @NotEquals(null || '', { groups: ["updateCustomer"], message: "Numéro de téléphone ne peut pas être vide" })
   @IsNotEmpty({ groups: ["createCustomer"] })
   public override cell_phone_number!: string;
 
diff --git a/src/Notary/DeedType.ts b/src/Notary/DeedType.ts
index 3847fcb..d26f518 100644
--- a/src/Notary/DeedType.ts
+++ b/src/Notary/DeedType.ts
@@ -1,7 +1,7 @@
 export * from "../Customer/DeedType";
 import { Expose, Type } from "class-transformer";
 import DeedTypeCustomer from "../Customer/DeedType";
-import { IsDate, IsNotEmpty, IsOptional, ValidateNested } from "class-validator";
+import { IsDate, IsNotEmpty, IsOptional, NotEquals, ValidateNested } from "class-validator";
 import DocumentType from "./DocumentType";
 import Deed from "./Deed";
 import Office from "./Office";
@@ -12,11 +12,13 @@ export default class DeedType extends DeedTypeCustomer {
     public override uid?: string;
   
     @Expose()
-    @IsNotEmpty({ groups: ["createDeedType", "updateDeedType"], message: "Name is required" })
+    @IsNotEmpty({ groups: ["createDeedType"], message: "Name is required" })
+    @NotEquals(null || '', { groups: ["updateDeedType"], message: "Name is required" })
     public override name!: string;
   
     @Expose()
-    @IsNotEmpty({ groups: ["createDeedType", "updateDeedType"], message: "Description is required" })
+    @IsNotEmpty({ groups: ["createDeedType"], message: "Description is required" })
+    @NotEquals(null || '', { groups: ["updateDeedType"], message: "Name is required" })
     public override description!: string;
   
     @Expose()
diff --git a/src/Notary/DocumentType.ts b/src/Notary/DocumentType.ts
index 04ed5de..b6bf32a 100644
--- a/src/Notary/DocumentType.ts
+++ b/src/Notary/DocumentType.ts
@@ -1,7 +1,7 @@
 export * from "../Customer/DocumentType";
 import { Expose, Type } from "class-transformer";
 import DocumentTypeCustomer from "../Customer/DocumentType";
-import { IsDate, IsNotEmpty, IsOptional, ValidateNested } from "class-validator";
+import { IsDate, IsNotEmpty, IsOptional, NotEquals, ValidateNested } from "class-validator";
 import Office from "./Office";
 import Document from "./Document";
 import Deed from "./Deed";
@@ -14,11 +14,13 @@ export default class DocumentType extends DocumentTypeCustomer {
 
   @Expose()
   @IsOptional({ groups: ["updateDocumentType"] })
+  @NotEquals(null || '', { groups: ["updateDocumentType"], message: "Nom du document ne peut pas être vide" })
   @IsNotEmpty({ groups: ["createDocumentType"], message: "Name is required" })
   public override name!: string;
 
   @Expose()
   @IsOptional({ groups: ["updateDocumentType"] })
+  @NotEquals(null || '', { groups: ["updateDocumentType"], message: "Description ne peut pas être vide" })
   @IsNotEmpty({ groups: ["createDocumentType"], message: "Public description is required" })
   public override public_description!: string;
 
diff --git a/src/Notary/OfficeRole.ts b/src/Notary/OfficeRole.ts
index 18caa28..0ca2b48 100644
--- a/src/Notary/OfficeRole.ts
+++ b/src/Notary/OfficeRole.ts
@@ -1,6 +1,7 @@
 import {
   IsDate,
   IsNotEmpty,
+  NotEquals,
   ValidateNested,
 } from "class-validator";
 import Resource from "../Resource";
@@ -14,7 +15,8 @@ export default class OfficeRole extends Resource {
   public uid?: string;
 
   @Expose()
-  @IsNotEmpty({message: "Name is required"})
+  @IsNotEmpty({groups: ["createOfficeRole"], message: "Nom du rôle ne peut pas être vide"})
+  @NotEquals(null || '', { groups: ["updateOfficeRole"], message: "Nom du rôle ne peut pas être vide" })
   public name!: string;
 
   @Expose()
diff --git a/src/Notary/Role.ts b/src/Notary/Role.ts
index 59e65fb..078f7ca 100644
--- a/src/Notary/Role.ts
+++ b/src/Notary/Role.ts
@@ -1,6 +1,7 @@
 import {
   IsDate,
   IsNotEmpty,
+  NotEquals,
   ValidateNested,
 } from "class-validator";
 import Resource from "../Resource";
@@ -14,7 +15,8 @@ export default class Role extends Resource {
   public uid?: string;
 
   @Expose()
-  @IsNotEmpty({groups: ["createRole"], message: "Name is required"})
+  @IsNotEmpty({groups: ["createRole"], message: "Nom du rôle ne peut pas être vide"})
+  @NotEquals(null || '', { groups: ["updateRole"], message: "Nom du rôle ne peut pas être vide" })
   public name!: string;
 
   @Expose()