diff --git a/src/components/01_branch-management/FormBranchContact.vue b/src/components/01_branch-management/FormBranchContact.vue
index 778f6aed..b878cacd 100644
--- a/src/components/01_branch-management/FormBranchContact.vue
+++ b/src/components/01_branch-management/FormBranchContact.vue
@@ -38,12 +38,16 @@ defineProps<{
         hide-bottom-space
         class="col-12 col-md-4"
         :label="$t('form.email')"
-        :rules="[
-          (v: string) => !!v || $t('form.error.required'),
-          (v: string) =>
-            /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/g.test(v) ||
-            $t('form.error.invalid'),
-        ]"
+        :rules="
+          readonly
+            ? undefined
+            : [
+                (v: string) =>
+                  !v ||
+                  /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/g.test(v) ||
+                  $t('form.error.invalid'),
+              ]
+        "
         for="input-email"
         :model-value="readonly ? email || '-' : email"
         @update:model-value="(v) => (typeof v === 'string' ? (email = v) : '')"
diff --git a/src/components/02_personnel-management/FormPerson.vue b/src/components/02_personnel-management/FormPerson.vue
index 76497c54..4135c00a 100644
--- a/src/components/02_personnel-management/FormPerson.vue
+++ b/src/components/02_personnel-management/FormPerson.vue
@@ -268,12 +268,16 @@ watch(
         outlined
         :readonly="readonly"
         :label="$t('form.email')"
-        :rules="[
-          (v: string) => !!v || $t('form.error.required'),
-          (v: string) =>
-            /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/g.test(v) ||
-            $t('form.error.invalid'),
-        ]"
+        :rules="
+          readonly
+            ? undefined
+            : [
+                (v: string) =>
+                  !v ||
+                  /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/g.test(v) ||
+                  $t('form.error.invalid'),
+              ]
+        "
         class="col-md-3 col-6"
         :model-value="readonly ? email || '-' : email"
         @update:model-value="(v) => (typeof v === 'string' ? (email = v) : '')"
diff --git a/src/pages/03_customer-management/components/employer/EmployerFormContact.vue b/src/pages/03_customer-management/components/employer/EmployerFormContact.vue
index d571f6a7..8110f473 100644
--- a/src/pages/03_customer-management/components/employer/EmployerFormContact.vue
+++ b/src/pages/03_customer-management/components/employer/EmployerFormContact.vue
@@ -31,12 +31,16 @@ const telephone = defineModel<string>('telephone');
       hide-bottom-space
       class="col-md-6 col-12"
       :label="$t('form.email')"
-      :rules="[
-        (v: string) => !!v || $t('form.error.required'),
-        (v: string) =>
-          /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/g.test(v) ||
-          $t('form.error.invalid'),
-      ]"
+      :rules="
+        readonly
+          ? undefined
+          : [
+              (v: string) =>
+                !v ||
+                /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/g.test(v) ||
+                $t('form.error.invalid'),
+            ]
+      "
       v-model="mail"
     />
     <q-input