diff --git a/JewelryStoreContracts/BusinessLogicsContracts/IImplementerLogic.cs b/JewelryStoreContracts/BusinessLogicsContracts/IImplementerLogic.cs
new file mode 100644
index 0000000..1688ab6
--- /dev/null
+++ b/JewelryStoreContracts/BusinessLogicsContracts/IImplementerLogic.cs
@@ -0,0 +1,22 @@
+using JewelryStoreContracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JewelryStoreContracts.BusinessLogicsContracts
+{
+    public interface IImplementerLogic
+    {
+        List<ImplementerViewModel>? ReadList(ImplementerSearchModel? model);
+
+        ImplementerViewModel? ReadElement(ImplementerSearchModel model);
+
+        bool Create(ImplementerBindingModel model);
+
+        bool Update(ImplementerBindingModel model);
+
+        bool Delete(ImplementerBindingModel model);
+    }
+}