diff --git a/src/pages/03_customer-management/components/employer/EmployerFormAbout.vue b/src/pages/03_customer-management/components/employer/EmployerFormAbout.vue
index a97e9932..f5603f29 100644
--- a/src/pages/03_customer-management/components/employer/EmployerFormAbout.vue
+++ b/src/pages/03_customer-management/components/employer/EmployerFormAbout.vue
@@ -143,9 +143,10 @@ watch(
           for="input-register-name-en"
           v-model="registerNameEN"
           :rules="[
-            (val: string) => !!val || $t('form.error.required'),
             (val: string) =>
-              /^[0-9A-Za-z\s.,]+$/.test(val) || $t('form.error.letterOnly'),
+              val === '' ||
+              /^[0-9A-Za-z\s.,]+$/.test(val) ||
+              $t('form.error.letterOnly'),
           ]"
         />
       </div>