diff --git a/BankYouBankrupt/BankYouBankruptContracts/BankYouBankruptContracts.csproj b/BankYouBankrupt/BankYouBankruptContracts/BankYouBankruptContracts.csproj
index b88f6a6..628377e 100644
--- a/BankYouBankrupt/BankYouBankruptContracts/BankYouBankruptContracts.csproj
+++ b/BankYouBankrupt/BankYouBankruptContracts/BankYouBankruptContracts.csproj
@@ -7,7 +7,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <Folder Include="BusinessLogicsContacts\" />
     <Folder Include="StoragesContracts\" />
   </ItemGroup>
 
diff --git a/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContacts/ICardLogic.cs b/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContacts/ICardLogic.cs
new file mode 100644
index 0000000..6190a1a
--- /dev/null
+++ b/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContacts/ICardLogic.cs
@@ -0,0 +1,24 @@
+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.BusinessLogicsContracts
+{
+    public interface IClientLogic
+    {
+        List<ClientViewModel>? ReadList(ClientSearchModel? model);
+
+        ClientViewModel? ReadElement(ClientSearchModel model);
+
+        bool Create(ClientBindingModel model);
+
+        bool Update(ClientBindingModel model);
+
+        bool Delete(ClientBindingModel model);
+    }
+}
diff --git a/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContacts/IClientLogic.cs b/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContacts/IClientLogic.cs
new file mode 100644
index 0000000..a850916
--- /dev/null
+++ b/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContacts/IClientLogic.cs
@@ -0,0 +1,24 @@
+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.BusinessLogicsContracts
+{
+    public interface ICardLogic
+    {
+        List<CardViewModel>? ReadList(CardSearchModel? model);
+
+        CardViewModel? ReadElement(CardSearchModel model);
+
+        bool Create(CardBindingModel model);
+
+        bool Update(CardBindingModel model);
+
+        bool Delete(CardBindingModel model);
+    }
+}
diff --git a/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContacts/ICreditingLogic.cs b/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContacts/ICreditingLogic.cs
new file mode 100644
index 0000000..045f961
--- /dev/null
+++ b/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContacts/ICreditingLogic.cs
@@ -0,0 +1,24 @@
+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.BusinessLogicsContracts
+{
+    public interface ICreditingLogic
+    {
+        List<CreditingViewModel>? ReadList(CreditingSearchModel? model);
+
+        CreditingViewModel? ReadElement(CreditingSearchModel model);
+
+        bool Create(CreditingBindingModel model);
+
+        bool Update(CreditingBindingModel model);
+
+        bool Delete(CreditingBindingModel model);
+    }
+}
diff --git a/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContacts/IDebitingLogic.cs b/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContacts/IDebitingLogic.cs
new file mode 100644
index 0000000..f588388
--- /dev/null
+++ b/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContacts/IDebitingLogic.cs
@@ -0,0 +1,24 @@
+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.BusinessLogicsContracts
+{
+    public interface IDebitingLogic
+    {
+        List<DebitingViewModel>? ReadList(DebitingSearchModel? model);
+
+        DebitingViewModel? ReadElement(DebitingSearchModel model);
+
+        bool Create(DebitingBindingModel model);
+
+        bool Update(DebitingBindingModel model);
+
+        bool Delete(DebitingBindingModel model);
+    }
+}
diff --git a/BankYouBankrupt/BankYouBankruptContracts/SearchModels/CreditingSearchModel.cs b/BankYouBankrupt/BankYouBankruptContracts/SearchModels/CreditingSearchModel.cs
new file mode 100644
index 0000000..6d41e00
--- /dev/null
+++ b/BankYouBankrupt/BankYouBankruptContracts/SearchModels/CreditingSearchModel.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BankYouBankruptContracts.SearchModels
+{
+    public class CreditingSearchModel
+    {
+        public int? Id { get; set; }
+
+        public int? CardId { get; set; }
+
+        public int? Sum { get; set; }
+
+        public DateTime? date { get; set; }
+    }
+}
diff --git a/BankYouBankrupt/BankYouBankruptContracts/ViewModels/ClientViewModel.cs b/BankYouBankrupt/BankYouBankruptContracts/ViewModels/ClientViewModel.cs
index 149dd10..27df328 100644
--- a/BankYouBankrupt/BankYouBankruptContracts/ViewModels/ClientViewModel.cs
+++ b/BankYouBankrupt/BankYouBankruptContracts/ViewModels/ClientViewModel.cs
@@ -8,7 +8,7 @@ using System.Threading.Tasks;
 
 namespace BankYouBankruptContracts.ViewModels
 {
-    public class ClientBindingModel : IСlientModel
+    public class ClientViewModel : IСlientModel
     {
         public int Id { get; set; }
         public string Password { get; set; } = string.Empty;