diff --git a/api/src/Sozsoft.Platform.DbMigrator/Migrations/ListFormSeeder_Saas.cs b/api/src/Sozsoft.Platform.DbMigrator/Migrations/ListFormSeeder_Saas.cs
index ea4e4ea9..9a786649 100644
--- a/api/src/Sozsoft.Platform.DbMigrator/Migrations/ListFormSeeder_Saas.cs
+++ b/api/src/Sozsoft.Platform.DbMigrator/Migrations/ListFormSeeder_Saas.cs
@@ -2826,6 +2826,10 @@ public class ListFormSeeder_Saas : IDataSeedContributor, ITransientDependency
                     Description = $"{listFormName}.Description",
                     SelectCommandType = SelectCommandTypeEnum.Table,
                     SelectCommand = TableNameResolver.GetFullTableName(nameof(TableNameEnum.Sequence)),
+                    SeedFilePath = SeedPathResolver.GetDataFilePath(listFormName),
+                    SeedSyncInsert = false,
+                    SeedSyncUpdate = false,
+                    SeedSyncDelete = false,
                     KeyFieldName = "Id",
                     KeyFieldDbSourceType = DbType.Guid,
                     DefaultFilter = DefaultFilterJson,
diff --git a/api/src/Sozsoft.Platform.EntityFrameworkCore/Seeds/TenantData.json b/api/src/Sozsoft.Platform.EntityFrameworkCore/Seeds/TenantData.json
index 4370c1e3..ab6b1476 100644
--- a/api/src/Sozsoft.Platform.EntityFrameworkCore/Seeds/TenantData.json
+++ b/api/src/Sozsoft.Platform.EntityFrameworkCore/Seeds/TenantData.json
@@ -911,29 +911,5 @@
             "EventName": "Kültür Gezisi: Kapadokya",
             "Url": "https://images.unsplash.com/photo-1515405295579-ba7b45403062?w=800"
         }
-    ],
-    "Sequences": [
-        {
-            "Name": "PurchaseCode1",
-            "Prefix": "PO",
-            "Suffix": "",
-            "PaddingSize": 6,
-            "IncrementStep": 1,
-            "StartNumber": 1,
-            "NextNumber": 1,
-            "FormatTemplate": "{Prefix}{Number}{Suffix}",
-            "ResetPeriod": "None"
-        },
-        {
-            "Name": "PurchaseCode2",
-            "Prefix": "PO",
-            "Suffix": "",
-            "PaddingSize": 5,
-            "IncrementStep": 1,
-            "StartNumber": 1,
-            "NextNumber": 1,
-            "FormatTemplate": "{Prefix}-{yyyy}{MM}{dd}-{Number}",
-            "ResetPeriod": "Daily"
-        }
     ]
 }
diff --git a/api/src/Sozsoft.Platform.EntityFrameworkCore/Seeds/TenantDataSeeder.cs b/api/src/Sozsoft.Platform.EntityFrameworkCore/Seeds/TenantDataSeeder.cs
index a6056b18..48d47c3e 100644
--- a/api/src/Sozsoft.Platform.EntityFrameworkCore/Seeds/TenantDataSeeder.cs
+++ b/api/src/Sozsoft.Platform.EntityFrameworkCore/Seeds/TenantDataSeeder.cs
@@ -21,7 +21,6 @@ namespace Sozsoft.Platform.Data.Seeds;
 public class TenantSeederDto
 {
     //Saas
-    public List<SequenceSeedDto> Sequences { get; set; }
 
     //Definitions
 
@@ -48,19 +47,6 @@ public class TenantSeederDto
     public List<EventCommentSeedDto> EventComments { get; set; }
 }
 
-public class SequenceSeedDto
-{
-    public string Name { get; set; } = null!;
-    public string? Prefix { get; set; }
-    public string? Suffix { get; set; }
-    public int PaddingSize { get; set; } = 5;
-    public int IncrementStep { get; set; } = 1;
-    public long StartNumber { get; set; } = 1;
-    public long NextNumber { get; set; } = 1;
-    public string? FormatTemplate { get; set; }
-    public SequenceResetPeriod ResetPeriod { get; set; } = SequenceResetPeriod.None;
-}
-
 public class SocialPostSeedDto
 {
     public string Content { get; set; }
@@ -249,7 +235,6 @@ public class TenantDataSeeder : IDataSeedContributor, ITransientDependency
     private readonly IRepository<SocialPollOption, Guid> _socialPollOptionRepository;
     private readonly IRepository<SocialComment, Guid> _socialCommentRepository;
     private readonly IRepository<SocialLike, Guid> _socialLikeRepository;
-    private readonly IRepository<Sequence, Guid> _sequenceRepository;
 
     private readonly IRepository<EventType, Guid> _eventTypeRepository;
     private readonly IRepository<EventCategory, Guid> _eventCategoryRepository;
@@ -273,8 +258,7 @@ public class TenantDataSeeder : IDataSeedContributor, ITransientDependency
         IRepository<SocialLike, Guid> socialLikeRepository,
         IRepository<EventType, Guid> eventTypeRepository,
         IRepository<EventCategory, Guid> eventCategoryRepository,
-        IRepository<Event, Guid> eventRepository,
-        IRepository<Sequence, Guid> sequenceRepository
+        IRepository<Event, Guid> eventRepository
         )
     {
         _lookupNormalizer = lookupNormalizer;
@@ -293,7 +277,6 @@ public class TenantDataSeeder : IDataSeedContributor, ITransientDependency
         _eventTypeRepository = eventTypeRepository;
         _eventCategoryRepository = eventCategoryRepository;
         _eventRepository = eventRepository;
-        _sequenceRepository = sequenceRepository;
     }
 
     public async Task SeedAsync(DataSeedContext context)
@@ -560,37 +543,5 @@ public class TenantDataSeeder : IDataSeedContributor, ITransientDependency
             }
         }
 
-        foreach (var item in items.Sequences)
-        {
-            var exists = await _sequenceRepository.AnyAsync(x => x.Name == item.Name);
-
-            if (!exists)
-            {
-                await _sequenceRepository.InsertAsync(
-                    new Sequence
-                    {
-                        Name = item.Name,
-
-                        Prefix = item.Prefix,
-                        Suffix = item.Suffix,
-
-                        PaddingSize = item.PaddingSize,
-                        IncrementStep = item.IncrementStep,
-
-                        StartNumber = item.StartNumber,
-                        NextNumber = item.NextNumber,
-
-                        FormatTemplate = string.IsNullOrWhiteSpace(item.FormatTemplate)
-                            ? "{Prefix}{Number}{Suffix}"
-                            : item.FormatTemplate,
-
-                        ResetPeriod = item.ResetPeriod,
-
-                        IsActive = true
-                    },
-                    autoSave: true
-                );
-            }
-        }
     }
 }
diff --git a/configs/seeds/host/data/App.Definitions.Sequence.json b/configs/seeds/host/data/App.Definitions.Sequence.json
new file mode 100644
index 00000000..966190b2
--- /dev/null
+++ b/configs/seeds/host/data/App.Definitions.Sequence.json
@@ -0,0 +1,34 @@
+{
+  "ListFormCode": "App.Definitions.Sequence",
+  "KeyFieldName": "Id",
+  "GeneratedAt": "2026-09-04T00:00:00Z",
+  "Order": 0,
+  "Rows": [
+    {
+      "Id": "593717fa-97f3-5d85-9d84-08ec94d8e23f",
+      "Name": "PurchaseCode1",
+      "Prefix": "PO",
+      "Suffix": "",
+      "IsActive": true,
+      "PaddingSize": 6,
+      "IncrementStep": 1,
+      "StartNumber": 1,
+      "NextNumber": 1,
+      "ResetPeriod": 0,
+      "FormatTemplate": "{Prefix}{Number}{Suffix}"
+    },
+    {
+      "Id": "678c4337-5b06-51a7-9822-69d0dd90f13f",
+      "Name": "PurchaseCode2",
+      "Prefix": "PO",
+      "Suffix": "",
+      "IsActive": true,
+      "PaddingSize": 5,
+      "IncrementStep": 1,
+      "StartNumber": 1,
+      "NextNumber": 1,
+      "ResetPeriod": 3,
+      "FormatTemplate": "{Prefix}-{yyyy}{MM}{dd}-{Number}"
+    }
+  ]
+}