diff --git a/BankYouBankrupt/BankYouBankruptContracts/BankYouBankruptContracts.csproj b/BankYouBankrupt/BankYouBankruptContracts/BankYouBankruptContracts.csproj
index 628377e..e2e4bae 100644
--- a/BankYouBankrupt/BankYouBankruptContracts/BankYouBankruptContracts.csproj
+++ b/BankYouBankrupt/BankYouBankruptContracts/BankYouBankruptContracts.csproj
@@ -6,10 +6,6 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
-  <ItemGroup>
-    <Folder Include="StoragesContracts\" />
-  </ItemGroup>
-
   <ItemGroup>
     <ProjectReference Include="..\BankYouBankruptDataModels\BankYouBankruptDataModels.csproj" />
   </ItemGroup>
diff --git a/BankYouBankrupt/BankYouBankruptContracts/StoragesContracts/ICardStorage.cs b/BankYouBankrupt/BankYouBankruptContracts/StoragesContracts/ICardStorage.cs
new file mode 100644
index 0000000..1d53ad5
--- /dev/null
+++ b/BankYouBankrupt/BankYouBankruptContracts/StoragesContracts/ICardStorage.cs
@@ -0,0 +1,26 @@
+using BankYouBankruptContracts.BindingModels;
+using BankYouBankruptContracts.SearchModels;
+using BankYouBankruptContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BankYouBankruptContracts.StoragesContracts
+{
+    public interface ICardStorage
+    {
+        List<CardViewModel> GetFullList();
+
+        List<CardViewModel> GetFilteredList(CardSearchModel model);
+
+        CardViewModel? GetElement(CardSearchModel model);
+
+        CardViewModel? Insert(CardBindingModel model);
+
+        CardViewModel? Update(CardBindingModel model);
+
+        CardViewModel? Delete(CardBindingModel model);
+    }
+}
\ No newline at end of file
diff --git a/BankYouBankrupt/BankYouBankruptContracts/StoragesContracts/IClientStorage.cs b/BankYouBankrupt/BankYouBankruptContracts/StoragesContracts/IClientStorage.cs
new file mode 100644
index 0000000..3b2083a
--- /dev/null
+++ b/BankYouBankrupt/BankYouBankruptContracts/StoragesContracts/IClientStorage.cs
@@ -0,0 +1,26 @@
+using BankYouBankruptContracts.BindingModels;
+using BankYouBankruptContracts.SearchModels;
+using BankYouBankruptContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BankYouBankruptContracts.StoragesContracts
+{
+    public interface IClientStorage
+    {
+        List<ClientViewModel> GetFullList();
+
+        List<ClientViewModel> GetFilteredList(ClientSearchModel model);
+
+        ClientViewModel? GetElement(ClientSearchModel model);
+
+        ClientViewModel? Insert(ClientBindingModel model);
+
+        ClientViewModel? Update(ClientBindingModel model);
+
+        ClientViewModel? Delete(ClientBindingModel model);
+    }
+}
diff --git a/BankYouBankrupt/BankYouBankruptContracts/StoragesContracts/ICreditingStorage.cs b/BankYouBankrupt/BankYouBankruptContracts/StoragesContracts/ICreditingStorage.cs
new file mode 100644
index 0000000..bd7cea9
--- /dev/null
+++ b/BankYouBankrupt/BankYouBankruptContracts/StoragesContracts/ICreditingStorage.cs
@@ -0,0 +1,26 @@
+using BankYouBankruptContracts.BindingModels;
+using BankYouBankruptContracts.SearchModels;
+using BankYouBankruptContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BankYouBankruptContracts.StoragesContracts
+{
+    public interface IDebitingStorage
+    {
+        List<DebitingViewModel> GetFullList();
+
+        List<DebitingViewModel> GetFilteredList(DebitingSearchModel model);
+
+        DebitingViewModel? GetElement(DebitingSearchModel model);
+
+        DebitingViewModel? Insert(DebitingBindingModel model);
+
+        DebitingViewModel? Update(DebitingBindingModel model);
+
+        DebitingViewModel? Delete(DebitingBindingModel model);
+    }
+}
\ No newline at end of file
diff --git a/BankYouBankrupt/BankYouBankruptContracts/StoragesContracts/IDebitingStorage.cs b/BankYouBankrupt/BankYouBankruptContracts/StoragesContracts/IDebitingStorage.cs
new file mode 100644
index 0000000..306b8a4
--- /dev/null
+++ b/BankYouBankrupt/BankYouBankruptContracts/StoragesContracts/IDebitingStorage.cs
@@ -0,0 +1,26 @@
+using BankYouBankruptContracts.BindingModels;
+using BankYouBankruptContracts.SearchModels;
+using BankYouBankruptContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BankYouBankruptContracts.StoragesContracts
+{
+    public interface ICreditingStorage
+    {
+        List<CreditingViewModel> GetFullList();
+
+        List<CreditingViewModel> GetFilteredList(CreditingSearchModel model);
+
+        CreditingViewModel? GetElement(CreditingSearchModel model);
+
+        CreditingViewModel? Insert(CreditingBindingModel model);
+
+        CreditingViewModel? Update(CreditingBindingModel model);
+
+        CreditingViewModel? Delete(CreditingBindingModel model);
+    }
+}
\ No newline at end of file