diff --git a/app/Payment/Subscription.php b/app/Payment/Subscription.php
index d0ff7267..c707d684 100644
--- a/app/Payment/Subscription.php
+++ b/app/Payment/Subscription.php
@@ -22,6 +22,7 @@ class Subscription extends Model
      */
     public $casts = [
         'split' => 'boolean',
+        'for_promise' => 'boolean',
     ];
 
     public function getAmount(): int
diff --git a/app/Payment/SubscriptionController.php b/app/Payment/SubscriptionController.php
index 05c4fbf9..816f0546 100644
--- a/app/Payment/SubscriptionController.php
+++ b/app/Payment/SubscriptionController.php
@@ -41,8 +41,10 @@ class SubscriptionController extends Controller
             'name' => 'required|max:255',
             'split' => 'present|boolean',
             'fee_id' => 'required|exists:fees,id',
+            'for_promise' => 'present|boolean',
         ], [], [
             'fee_id' => 'Nami-Beitrag',
+            'for_promise' => 'Für Versprechen benutzen',
         ]);
 
         $children = $request->validate([
@@ -75,8 +77,10 @@ class SubscriptionController extends Controller
             'name' => 'required|max:255',
             'split' => 'present|boolean',
             'fee_id' => 'required|exists:fees,id',
+            'for_promise' => 'present|boolean',
         ], [], [
             'fee_id' => 'Nami-Beitrag',
+            'for_promise' => 'Für Versprechen benutzen',
         ]);
         $subscription->update($subscriptionParams);
         $children = $request->validate([
diff --git a/app/Payment/SubscriptionResource.php b/app/Payment/SubscriptionResource.php
index 2d1d6293..cfd4395a 100644
--- a/app/Payment/SubscriptionResource.php
+++ b/app/Payment/SubscriptionResource.php
@@ -27,6 +27,7 @@ class SubscriptionResource extends JsonResource
             'amount' => $this->getAmount(),
             'split' => $this->split,
             'children' => SubscriptionChildResource::collection($this->whenLoaded('children')),
+            'for_promise' => $this->for_promise,
         ];
     }
 }
diff --git a/resources/js/views/allpayment/VForm.vue b/resources/js/views/allpayment/VForm.vue
index 8cb705bf..eab372da 100644
--- a/resources/js/views/allpayment/VForm.vue
+++ b/resources/js/views/allpayment/VForm.vue
@@ -1,28 +1,29 @@
 <template>
     <form class="p-6 grid gap-4 justify-start" @submit.prevent="submit">
-
         <f-text id="year" v-model="inner.year" label="Jahr" required></f-text>
 
+        <f-switch id="for_promise" label="Versprechen einbeziehen" v-model="inner.for_promise" size="sm"></f-switch>
+
         <button type="submit" class="btn btn-primary">Absenden</button>
     </form>
 </template>
 
 <script>
 export default {
-    data: function() {
+    data: function () {
         return {
-            inner: {},
+            inner: {
+                for_promise: false,
+            },
         };
     },
 
-    props: {
-    },
+    props: {},
 
     methods: {
         submit() {
-            this.$inertia.post(`/allpayment`, this.inner)
-        }
-    }
-
+            this.$inertia.post(`/allpayment`, this.inner);
+        },
+    },
 };
 </script>
diff --git a/resources/js/views/subscription/SubscriptionForm.vue b/resources/js/views/subscription/SubscriptionForm.vue
index b4bb4232..b05c9a8d 100644
--- a/resources/js/views/subscription/SubscriptionForm.vue
+++ b/resources/js/views/subscription/SubscriptionForm.vue
@@ -14,6 +14,12 @@
                     required
                 ></f-select>
                 <f-switch id="split" label="Rechnung aufsplitten" v-model="inner.split" size="sm"></f-switch>
+                <f-switch
+                    id="for_promise"
+                    label="Für Versprechen benutzen"
+                    v-model="inner.for_promise"
+                    size="sm"
+                ></f-switch>
             </div>
         </box>
         <box heading="Positionen">
diff --git a/resources/lang/de/validation.php b/resources/lang/de/validation.php
index d496fada..cd234141 100644
--- a/resources/lang/de/validation.php
+++ b/resources/lang/de/validation.php
@@ -28,7 +28,7 @@ return [
         'string' => ':attribute muss zwischen :min & :max Zeichen lang sein.',
         'array' => ':attribute muss zwischen :min & :max Elemente haben.',
     ],
-    'boolean' => ":attribute muss entweder 'true' oder 'false' sein.",
+    'boolean' => ':attribute muss ein Wahrheitswert sein.',
     'confirmed' => ':attribute stimmt nicht mit der Bestätigung überein.',
     'date' => ':attribute muss ein gültiges Datum sein.',
     'date_equals' => ':attribute muss ein Datum gleich :date sein.',
diff --git a/tests/Feature/Subscription/EditTest.php b/tests/Feature/Subscription/EditTest.php
index d14bf19e..209da11b 100644
--- a/tests/Feature/Subscription/EditTest.php
+++ b/tests/Feature/Subscription/EditTest.php
@@ -15,7 +15,7 @@ class EditTest extends TestCase
     public function testItReturnsChildren(): void
     {
         $this->withoutExceptionHandling()->login()->loginNami();
-        $subscription = Subscription::factory()->name('hi')->for(Fee::factory())->children([
+        $subscription = Subscription::factory()->name('hi')->forPromise()->for(Fee::factory())->children([
             new Child('a', 1400),
             new Child('b', 1500),
         ])->create(['split' => true]);
@@ -30,6 +30,7 @@ class EditTest extends TestCase
             'name' => 'hi',
             'id' => $subscription->id,
             'split' => true,
+            'for_promise' => true,
         ], $response, 'data');
     }
 }
diff --git a/tests/Feature/Subscription/StoreTest.php b/tests/Feature/Subscription/StoreTest.php
index 7230c323..ae6e5125 100644
--- a/tests/Feature/Subscription/StoreTest.php
+++ b/tests/Feature/Subscription/StoreTest.php
@@ -22,7 +22,7 @@ class StoreTest extends TestCase
             '/subscription',
             SubscriptionRequestFactory::new()->fee($fee)->name('lorem')->children([
                 new Child('ch', 2500),
-            ])->create(['split' => true])
+            ])->create(['split' => true, 'for_promise' => true])
         );
 
         $response->assertRedirect('/subscription');
@@ -31,6 +31,7 @@ class StoreTest extends TestCase
             'fee_id' => $fee->id,
             'name' => 'lorem',
             'split' => true,
+            'for_promise' => true,
         ]);
         $this->assertDatabaseHas('subscription_children', [
             'name' => 'ch',
@@ -52,6 +53,7 @@ class StoreTest extends TestCase
         $this->assertErrors([
             'fee_id' => 'Nami-Beitrag ist nicht vorhanden.',
             'name' => 'Name ist erforderlich.',
+            'for_promise' => 'Für Versprechen benutzen muss ein Wahrheitswert sein.',
         ], $response);
     }
 }
diff --git a/tests/Feature/Subscription/UpdateTest.php b/tests/Feature/Subscription/UpdateTest.php
index f12815eb..11d4711e 100644
--- a/tests/Feature/Subscription/UpdateTest.php
+++ b/tests/Feature/Subscription/UpdateTest.php
@@ -16,12 +16,12 @@ class UpdateTest extends TestCase
     public function testItUpdatesASubscription(): void
     {
         $this->withoutExceptionHandling()->login()->loginNami();
-        $subscription = Subscription::factory()->name('hi')->for(Fee::factory())->create(['split' => true]);
+        $subscription = Subscription::factory()->name('hi')->for(Fee::factory())->create(['split' => true, 'for_promise' => false]);
         $fee = Fee::factory()->create();
 
         $response = $this->from("/subscription/{$subscription->id}")->patch(
             "/subscription/{$subscription->id}",
-            SubscriptionRequestFactory::new()->amount(2500)->fee($fee)->name('lorem')->create(['split' => false])
+            SubscriptionRequestFactory::new()->amount(2500)->fee($fee)->name('lorem')->create(['split' => false, 'for_promise' => true])
         );
 
         $response->assertRedirect('/subscription');
@@ -30,6 +30,7 @@ class UpdateTest extends TestCase
             'fee_id' => $fee->id,
             'name' => 'Lorem',
             'split' => false,
+            'for_promise' => true,
         ]);
     }
 
@@ -70,6 +71,7 @@ class UpdateTest extends TestCase
         $this->assertErrors([
             'fee_id' => 'Nami-Beitrag ist nicht vorhanden.',
             'name' => 'Name ist erforderlich.',
+            'for_promise' => 'Für Versprechen benutzen muss ein Wahrheitswert sein.',
         ], $response);
     }
 }
diff --git a/tests/RequestFactories/SubscriptionRequestFactory.php b/tests/RequestFactories/SubscriptionRequestFactory.php
index c7dd0dc4..a808d85f 100644
--- a/tests/RequestFactories/SubscriptionRequestFactory.php
+++ b/tests/RequestFactories/SubscriptionRequestFactory.php
@@ -8,7 +8,7 @@ use Worksome\RequestFactories\RequestFactory;
 class SubscriptionRequestFactory extends RequestFactory
 {
     /**
-     * @return array{fee_id: int, name: string, split: bool, children: array<int, array{amount: int, name: string}>}
+     * @return array{fee_id: int, name: string, split: bool, for_promise: bool, children: array<int, array{amount: int, name: string}>}
      */
     public function definition(): array
     {
@@ -17,6 +17,7 @@ class SubscriptionRequestFactory extends RequestFactory
             'name' => $this->faker->words(5, true),
             'split' => $this->faker->boolean(),
             'children' => [],
+            'for_promise' => $this->faker->boolean(),
         ];
     }
 
@@ -40,6 +41,7 @@ class SubscriptionRequestFactory extends RequestFactory
         return $this->state([
             'fee_id' => 9999,
             'name' => '',
+            'for_promise' => 'A',
         ]);
     }