diff --git a/CarCenter/CarCenterContracts/CarCenterContracts.csproj b/CarCenter/CarCenterContracts/CarCenterContracts.csproj
index 9dac0c0..8b0c520 100644
--- a/CarCenter/CarCenterContracts/CarCenterContracts.csproj
+++ b/CarCenter/CarCenterContracts/CarCenterContracts.csproj
@@ -7,8 +7,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <Folder Include="ViewModels\" />
-    <Folder Include="StoragesContracts\" />
+    <Folder Include="SearchModels\" />
+    <Folder Include="BusinessLogicsContracts\" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/CarCenter/CarCenterContracts/StoragesContracts/IBundlingStorage.cs b/CarCenter/CarCenterContracts/StoragesContracts/IBundlingStorage.cs
new file mode 100644
index 0000000..a35b1e3
--- /dev/null
+++ b/CarCenter/CarCenterContracts/StoragesContracts/IBundlingStorage.cs
@@ -0,0 +1,21 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterContracts.StoragesContracts
+{
+	public interface IBundlingStorage
+	{
+		List<BundlingViewModel> GetFullList();
+		List<BundlingViewModel> GetFilteredList(BundlingSearchModel model);
+		BundlingViewModel? GetElement(BundlingSearchModel model);
+		BundlingViewModel? Insert(BundlingBindingModel model);
+		BundlingViewModel? Update(BundlingBindingModel model);
+		BundlingViewModel? Delete(BundlingBindingModel model);
+	}
+}
diff --git a/CarCenter/CarCenterContracts/StoragesContracts/ICarStorage.cs b/CarCenter/CarCenterContracts/StoragesContracts/ICarStorage.cs
new file mode 100644
index 0000000..b6b4e3c
--- /dev/null
+++ b/CarCenter/CarCenterContracts/StoragesContracts/ICarStorage.cs
@@ -0,0 +1,21 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterContracts.StoragesContracts
+{
+	public interface ICarStorage
+	{
+		List<CarViewModel> GetFullList();
+		List<CarViewModel> GetFilteredList(CarSearchModel model);
+		CarViewModel? GetElement(CarSearchModel model);
+		CarViewModel? Insert(CarBindingModel model);
+		CarViewModel? Update(CarBindingModel model);
+		CarViewModel? Delete(CarBindingModel model);
+	}
+}
diff --git a/CarCenter/CarCenterContracts/StoragesContracts/IFeatureStorage.cs b/CarCenter/CarCenterContracts/StoragesContracts/IFeatureStorage.cs
new file mode 100644
index 0000000..cb47276
--- /dev/null
+++ b/CarCenter/CarCenterContracts/StoragesContracts/IFeatureStorage.cs
@@ -0,0 +1,21 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterContracts.StoragesContracts
+{
+	public interface IFeatureStorage
+	{
+		List<FeatureViewModel> GetFullList();
+		List<FeatureViewModel> GetFilteredList(FeatureSearchModel model);
+		FeatureViewModel? GetElement(FeatureSearchModel model);
+		FeatureViewModel? Insert(FeatureBindingModel model);
+		FeatureViewModel? Update(FeatureBindingModel model);
+		FeatureViewModel? Delete(FeatureBindingModel model);
+	}
+}
diff --git a/CarCenter/CarCenterContracts/StoragesContracts/IStorekeeperStorage.cs b/CarCenter/CarCenterContracts/StoragesContracts/IStorekeeperStorage.cs
new file mode 100644
index 0000000..59548d7
--- /dev/null
+++ b/CarCenter/CarCenterContracts/StoragesContracts/IStorekeeperStorage.cs
@@ -0,0 +1,21 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterContracts.StoragesContracts
+{
+	public interface IStorekeeperStorage
+	{
+		List<StorekeeperViewModel> GetFullList();
+		List<StorekeeperViewModel> GetFilteredList(StorekeeperSearchModel model);
+		StorekeeperViewModel? GetElement(StorekeeperSearchModel model);
+		StorekeeperViewModel? Insert(StorekeeperBindingModel model);
+		StorekeeperViewModel? Update(StorekeeperBindingModel model);
+		StorekeeperViewModel? Delete(StorekeeperBindingModel model);
+	}
+}