diff --git a/src/app/domains/pos/modules/shop/components/customers/unknown/form.component.html b/src/app/domains/pos/modules/shop/components/customers/unknown/form.component.html
index 62f7bd5..04fb3d0 100644
--- a/src/app/domains/pos/modules/shop/components/customers/unknown/form.component.html
+++ b/src/app/domains/pos/modules/shop/components/customers/unknown/form.component.html
@@ -1,5 +1,5 @@
 <form [formGroup]="form" (submit)="submit()">
   <app-input [control]="form.controls.name" name="name" label="نام مشتری" />
-  <app-input [control]="form.controls.national_id" name="national_id" label="شماره ملی" type="nationalId" />
+  <app-input [control]="form.controls.economic_code" name="economic_code" label="کد اقتصادی" />
   <app-form-footer-actions submitLabel="ثبت مشتری و ادامه" (onCancel)="close()" />
 </form>
diff --git a/src/app/domains/pos/modules/shop/components/customers/unknown/form.component.ts b/src/app/domains/pos/modules/shop/components/customers/unknown/form.component.ts
index 35c8bf4..a76d0f2 100644
--- a/src/app/domains/pos/modules/shop/components/customers/unknown/form.component.ts
+++ b/src/app/domains/pos/modules/shop/components/customers/unknown/form.component.ts
@@ -1,4 +1,3 @@
-import { nationalIdValidator } from '@/core/validators/national-id.validator';
 import { AbstractForm } from '@/shared/abstractClasses';
 import { InputComponent } from '@/shared/components';
 import { FormFooterActionsComponent } from '@/shared/components/formFooterActions/form-footer-actions.component';
@@ -19,10 +18,7 @@ export class CustomerUnknownFormComponent extends AbstractForm<IUnknownCustomer,
 
   override showSuccessMessage = false;
   form = this.fb.group({
-    national_id: [
-      this.store?.customer().info?.customer_unknown?.national_id || '',
-      [nationalIdValidator()],
-    ],
+    economic_code: [this.store?.customer().info?.customer_unknown?.economic_code || ''],
     name: [this.store?.customer().info?.customer_unknown?.name || ''],
   });
 
diff --git a/src/app/domains/pos/modules/shop/models/customer.ts b/src/app/domains/pos/modules/shop/models/customer.ts
index 9d33f4d..97bd121 100644
--- a/src/app/domains/pos/modules/shop/models/customer.ts
+++ b/src/app/domains/pos/modules/shop/models/customer.ts
@@ -15,7 +15,7 @@ export interface ILegalCustomer {
 }
 
 export interface IUnknownCustomer {
-  national_id: string;
+  economic_code?: string;
   name: string;
 }
 
diff --git a/src/app/shared/components/invoices/sale-invoice-full-response.model.ts b/src/app/shared/components/invoices/sale-invoice-full-response.model.ts
index 67f8aab..8d65558 100644
--- a/src/app/shared/components/invoices/sale-invoice-full-response.model.ts
+++ b/src/app/shared/components/invoices/sale-invoice-full-response.model.ts
@@ -150,5 +150,5 @@ interface ConsumerAccount {
 
 interface UnknownCustomer {
   name?: string;
-  national_code?: string;
+  economic_code?: string;
 }
diff --git a/src/app/shared/components/invoices/sale-invoice-single-info-card.component.html b/src/app/shared/components/invoices/sale-invoice-single-info-card.component.html
index 0946e2a..8870c50 100644
--- a/src/app/shared/components/invoices/sale-invoice-single-info-card.component.html
+++ b/src/app/shared/components/invoices/sale-invoice-single-info-card.component.html
@@ -61,7 +61,7 @@
               <app-key-value label="نوع مشتری" value="حقوقی" />
               <app-key-value label="نام شرکت" [value]="invoice.customer.legal?.company_name" />
               <app-key-value label="کد اقتصادی" [value]="invoice.customer.legal?.economic_code" />
-              <app-key-value label="کد ثبتی" [value]="invoice.customer.legal?.registration_number" />
+              <app-key-value label="شماره ثبت" [value]="invoice.customer.legal?.registration_number" />
               <app-key-value label="کد پستی" [value]="invoice.customer.legal?.postal_code" />
             }
           </div>
@@ -69,7 +69,7 @@
           <div class="listKeyValue">
             <app-key-value label="نوع مشتری" value="نوع دوم" />
             <app-key-value label="عنوان" [value]="invoice.unknown_customer.name" />
-            <app-key-value label="کد ثبتی" [value]="invoice.unknown_customer.national_code" />
+            <app-key-value label="کد اقتصادی" [value]="invoice.unknown_customer.economic_code" />
           </div>
         } @else {
           <p class="text-text-color pt-3 pb-5 text-center">اطلاعات مشتری ثبت نشده است.</p>