diff --git a/SecuritySystem/SecuritySystemContracts/BusinessLogicsContracts/IImplementerLogic.cs b/SecuritySystem/SecuritySystemContracts/BusinessLogicsContracts/IImplementerLogic.cs
new file mode 100644
index 0000000..c11b8ce
--- /dev/null
+++ b/SecuritySystem/SecuritySystemContracts/BusinessLogicsContracts/IImplementerLogic.cs
@@ -0,0 +1,15 @@
+using SecuritySystemContracts.BindingModels;
+using SecuritySystemContracts.SearchModels;
+using SecuritySystemContracts.ViewModels;
+
+namespace SecuritySystemContracts.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);
+    }
+}