diff --git a/InternetShop/InternetShopContracts/StorageContracts/IOrderStorage.cs b/InternetShop/InternetShopContracts/StorageContracts/IOrderStorage.cs
new file mode 100644
index 0000000..2ee9142
--- /dev/null
+++ b/InternetShop/InternetShopContracts/StorageContracts/IOrderStorage.cs
@@ -0,0 +1,15 @@
+using InternetShopContracts.DataSearchModels;
+using InternetShopContracts.DataViewModels;
+
+namespace InternetShopContracts.StorageContracts
+{
+    public interface IOrderStorage
+    {
+        List<OrderViewModel> GetFullList();
+        List<OrderViewModel> GetFilteredList(OrderSearchModel model);
+        OrderViewModel? GetElement(OrderSearchModel model);
+        OrderViewModel? Insert(OrderSearchModel model);
+        OrderViewModel? Update(OrderSearchModel model);
+        OrderViewModel? Delete(OrderSearchModel model);
+    }
+}
diff --git a/InternetShop/InternetShopContracts/StorageContracts/IProductStorage.cs b/InternetShop/InternetShopContracts/StorageContracts/IProductStorage.cs
new file mode 100644
index 0000000..bc59e78
--- /dev/null
+++ b/InternetShop/InternetShopContracts/StorageContracts/IProductStorage.cs
@@ -0,0 +1,15 @@
+using InternetShopContracts.DataSearchModels;
+using InternetShopContracts.DataViewModels;
+
+namespace InternetShopContracts.StorageContracts
+{
+    public interface IProductStorage
+    {
+        List<ProductViewModel> GetFullList();
+        List<ProductViewModel> GetFilteredList(ProductSearchModel model);
+        ProductViewModel? GetElement(ProductSearchModel model);
+        ProductViewModel? Insert(ProductSearchModel model);
+        ProductViewModel? Update(ProductSearchModel model);
+        ProductViewModel? Delete(ProductSearchModel model);
+    }
+}