diff --git a/CarCenter/CarCenterDataModels/IId.cs b/CarCenter/CarCenterDataModels/IId.cs
new file mode 100644
index 0000000..7b123a5
--- /dev/null
+++ b/CarCenter/CarCenterDataModels/IId.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterDataModels
+{
+	public interface IId
+	{
+		int Id { get; }
+	}
+}