diff --git a/BankYouBankrupt/BankYouBankruptContracts/BindingModels/MoneyTransferBindingModel.cs b/BankYouBankrupt/BankYouBankruptContracts/BindingModels/MoneyTransferBindingModel.cs
index fcd89b8..e790f23 100644
--- a/BankYouBankrupt/BankYouBankruptContracts/BindingModels/MoneyTransferBindingModel.cs
+++ b/BankYouBankrupt/BankYouBankruptContracts/BindingModels/MoneyTransferBindingModel.cs
@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 
 namespace BankYouBankruptContracts.BindingModels
 {
-	public class MoneyTransfer : IMoneyTransferModel
+	public class MoneyTransferBindingModel : IMoneyTransferModel
 	{
 		public int Id { get; set; }
 
diff --git a/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContracts/IAccountLogic.cs b/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContracts/IAccountLogic.cs
new file mode 100644
index 0000000..1d96498
--- /dev/null
+++ b/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContracts/IAccountLogic.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 IAccountLogic
+	{
+		List<AccountViewModel>? ReadList(AccountSearchModel? model);
+
+		AccountViewModel? ReadElement(AccountSearchModel model);
+
+		bool Create(AccountBindingModel model);
+
+		bool Update(AccountBindingModel model);
+
+		bool Delete(AccountBindingModel model);
+	}
+}
diff --git a/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContracts/ICashWithdrawalLogic.cs b/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContracts/ICashWithdrawalLogic.cs
new file mode 100644
index 0000000..93841c2
--- /dev/null
+++ b/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContracts/ICashWithdrawalLogic.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 ICashWithdrawalLogic
+	{
+		List<CashWithdrawalViewModel>? ReadList(CashWithdrawalSearchModel? model);
+
+		CashWithdrawalViewModel? ReadElement(CashWithdrawalSearchModel model);
+
+		bool Create(CashWithdrawalBindingModel model);
+
+		bool Update(CashWithdrawalBindingModel model);
+
+		bool Delete(CashWithdrawalBindingModel model);
+	}
+}
diff --git a/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContracts/ICashierLogic.cs b/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContracts/ICashierLogic.cs
new file mode 100644
index 0000000..3058822
--- /dev/null
+++ b/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContracts/ICashierLogic.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 ICashierLogic
+	{
+		List<CashierViewModel>? ReadList(CashierSearchModel? model);
+
+		CashierViewModel? ReadElement(CashierSearchModel model);
+
+		bool Create(CashierBindingModel model);
+
+		bool Update(CashierBindingModel model);
+
+		bool Delete(CashierBindingModel model);
+	}
+}
diff --git a/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContracts/IMoneyTransferLogic.cs b/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContracts/IMoneyTransferLogic.cs
new file mode 100644
index 0000000..21683f2
--- /dev/null
+++ b/BankYouBankrupt/BankYouBankruptContracts/BusinessLogicsContracts/IMoneyTransferLogic.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 IMoneyTransferLogic
+	{
+		List<MoneyTransferViewModel>? ReadList(MoneyTransferSearchModel? model);
+
+		MoneyTransferViewModel? ReadElement(MoneyTransferSearchModel model);
+
+		bool Create(MoneyTransferBindingModel model);
+
+		bool Update(MoneyTransferBindingModel model);
+
+		bool Delete(MoneyTransferBindingModel model);
+	}
+}