diff --git a/api/views.py b/api/views.py
index 18c21ce..6e19f66 100644
--- a/api/views.py
+++ b/api/views.py
@@ -118,30 +118,6 @@ class PurchaseViewSet(viewsets.ModelViewSet):
         headers = self.get_success_headers(serializer.data)
         return Response(serializer.data, status=status.HTTP_201_CREATED, headers=headers)
 
-    # def create(self, request, *args, **kwargs):
-    #     serializer = PurchaseSerializer(data=request.data)
-    #     # Check if the serializer is valid
-    #     #
-    #     print('create')
-    #     if serializer.is_valid():
-    #         print('isvalid')
-
-    #         identifier = serializer.validated_data['identifier']
-    #         # If the unique field already exists, return 208
-    #         if Purchase.objects.filter(identifier=identifier).exists():
-    #             print('return 208')
-
-    #             return Response({'detail': 'Already exists.'}, status=status.HTTP_208_ALREADY_REPORTED)
-    #         # Otherwise, perform the creation
-    #         self.perform_create(serializer)
-    #         return Response(serializer.data, status=status.HTTP_201_CREATED)
-    #     print('return 400')
-
-    #     return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
-
-    def put(self, request, pk):
-        raise MethodNotAllowed('PUT')
-
     def patch(self, request, pk):
         raise MethodNotAllowed('PATCH')
 
diff --git a/tournaments/admin.py b/tournaments/admin.py
index 3d14e54..bc7ee41 100644
--- a/tournaments/admin.py
+++ b/tournaments/admin.py
@@ -74,7 +74,8 @@ class ClubAdmin(admin.ModelAdmin):
     search_fields = ('name', 'acronym')
 
 class PurchaseAdmin(admin.ModelAdmin):
-    list_display = ['user', 'identifier', 'product_id', 'quantity', 'purchase_date', 'revocation_date']
+    list_display = ['user', 'identifier', 'product_id', 'quantity', 'purchase_date', 'revocation_date', 'expiration_date']
+    list_filter = ['user']
 
 class CourtAdmin(admin.ModelAdmin):
     list_display = ['index', 'name', 'club']
diff --git a/tournaments/migrations/0083_purchase_expiration_date.py b/tournaments/migrations/0083_purchase_expiration_date.py
new file mode 100644
index 0000000..d97750f
--- /dev/null
+++ b/tournaments/migrations/0083_purchase_expiration_date.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.1 on 2024-09-16 13:11
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('tournaments', '0082_alter_purchase_identifier_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='purchase',
+            name='expiration_date',
+            field=models.DateTimeField(blank=True, null=True),
+        ),
+    ]
diff --git a/tournaments/models/purchase.py b/tournaments/models/purchase.py
index da2b335..8acca70 100644
--- a/tournaments/models/purchase.py
+++ b/tournaments/models/purchase.py
@@ -10,6 +10,7 @@ class Purchase(models.Model):
     product_id = models.CharField(max_length=100)
     quantity = models.IntegerField(null=True, blank=True)
     revocation_date = models.DateTimeField(null=True, blank=True)
+    expiration_date = models.DateTimeField(null=True, blank=True)
 
     def __str__(self):
         return f"{self.identifier} > {self.product_id} - {self.purchase_date} - {self.user.username}"