diff --git a/Hotel/HotelContracts/StoragesContracts/IConferenceBookingStorage.cs b/Hotel/HotelContracts/StoragesContracts/IConferenceBookingStorage.cs
new file mode 100644
index 0000000..5e5cb43
--- /dev/null
+++ b/Hotel/HotelContracts/StoragesContracts/IConferenceBookingStorage.cs
@@ -0,0 +1,21 @@
+using HotelContracts.BindingModels;
+using HotelContracts.SearchModels;
+using HotelContracts.ViewModels;
+
+namespace HotelContracts.StoragesContracts
+{
+    public interface IConferenceBookingStorage
+    {
+        List<ConferenceBookingViewModel> GetFullList();
+
+        List<ConferenceBookingViewModel> GetFilteredList(ConferenceBookingSearchModel model);
+
+        ConferenceBookingViewModel? GetElement(ConferenceBookingSearchModel model);
+
+        ConferenceBookingViewModel? Insert(ConferenceBookingBindingModel model);
+
+        ConferenceBookingViewModel? Update(ConferenceBookingBindingModel model);
+
+        ConferenceBookingViewModel? Delete(ConferenceBookingBindingModel model);
+    }
+}
diff --git a/Hotel/HotelContracts/StoragesContracts/IDinnerStorage.cs b/Hotel/HotelContracts/StoragesContracts/IDinnerStorage.cs
new file mode 100644
index 0000000..16924b0
--- /dev/null
+++ b/Hotel/HotelContracts/StoragesContracts/IDinnerStorage.cs
@@ -0,0 +1,21 @@
+using HotelContracts.BindingModels;
+using HotelContracts.SearchModels;
+using HotelContracts.ViewModels;
+
+namespace HotelContracts.StoragesContracts
+{
+    public interface IDinnerStorage
+    {
+        List<DinnerViewModel> GetFullList();
+
+        List<DinnerViewModel> GetFilteredList(DinnerSearchModel model);
+
+        DinnerViewModel? GetElement(DinnerSearchModel model);
+
+        DinnerViewModel? Insert(DinnerBindingModel model);
+
+        DinnerViewModel? Update(DinnerBindingModel model);
+
+        DinnerViewModel? Delete(DinnerBindingModel model);
+    }
+}
diff --git a/Hotel/HotelContracts/StoragesContracts/IHeadwaiterStorage.cs b/Hotel/HotelContracts/StoragesContracts/IHeadwaiterStorage.cs
new file mode 100644
index 0000000..c0046ce
--- /dev/null
+++ b/Hotel/HotelContracts/StoragesContracts/IHeadwaiterStorage.cs
@@ -0,0 +1,21 @@
+using HotelContracts.BindingModels;
+using HotelContracts.SearchModels;
+using HotelContracts.ViewModels;
+
+namespace HotelContracts.StoragesContracts
+{
+    public interface IHeadwaiterStorage
+    {
+        List<HeadwaiterViewModel> GetFullList();
+
+        List<HeadwaiterViewModel> GetFilteredList(HeadwaiterSearchModel model);
+
+        HeadwaiterViewModel? GetElement(HeadwaiterSearchModel model);
+
+        HeadwaiterViewModel? Insert(HeadwaiterBindingModel model);
+
+        HeadwaiterViewModel? Update(HeadwaiterBindingModel model);
+
+        HeadwaiterViewModel? Delete(HeadwaiterBindingModel model);
+    }
+}
diff --git a/Hotel/HotelContracts/StoragesContracts/IRoomStorage.cs b/Hotel/HotelContracts/StoragesContracts/IRoomStorage.cs
new file mode 100644
index 0000000..01ad2d7
--- /dev/null
+++ b/Hotel/HotelContracts/StoragesContracts/IRoomStorage.cs
@@ -0,0 +1,21 @@
+using HotelContracts.BindingModels;
+using HotelContracts.SearchModels;
+using HotelContracts.ViewModels;
+
+namespace HotelContracts.StoragesContracts
+{
+    public interface IRoomStorage
+    {
+        List<RoomViewModel> GetFullList();
+
+        List<RoomViewModel> GetFilteredList(RoomSearchModel model);
+
+        RoomViewModel? GetElement(RoomSearchModel model);
+
+        RoomViewModel? Insert(RoomBindingModel model);
+
+        RoomViewModel? Update(RoomBindingModel model);
+
+        RoomViewModel? Delete(RoomBindingModel model);
+    }
+}