diff --git a/src/components/04_product-service/ServiceProperties.vue b/src/components/04_product-service/ServiceProperties.vue
index 8d8d026f..d6907213 100644
--- a/src/components/04_product-service/ServiceProperties.vue
+++ b/src/components/04_product-service/ServiceProperties.vue
@@ -535,9 +535,7 @@ function confirmDelete(items: unknown[], index: number) {
                         outlined
                         input-class="text-caption"
                         :label="$t('selection')"
-                        :rules="[
-                          (val) => (!!val && i <= 1) || $t('pleaseInformation'),
-                        ]"
+                        :rules="[(val) => !!val || $t('pleaseInformation')]"
                         hide-bottom-space
                       />
                     </div>