diff --git a/Bank/BankDataModels/Models/IOperatorModel.cs b/Bank/BankDataModels/Models/IOperatorModel.cs
new file mode 100644
index 0000000..b78318e
--- /dev/null
+++ b/Bank/BankDataModels/Models/IOperatorModel.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BankDataModels.Models
+{
+    public interface IOperatorModel : IId
+    {
+        string Login { get; }
+        string Password { get; }
+        string LastName { get; }
+        string FirstName { get; }
+        string? MiddleName { get; }
+    }
+}
diff --git a/Bank/BankDataModels/Models/IPaymentModel.cs b/Bank/BankDataModels/Models/IPaymentModel.cs
new file mode 100644
index 0000000..9ce06fb
--- /dev/null
+++ b/Bank/BankDataModels/Models/IPaymentModel.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BankDataModels.Models
+{
+    public interface IPaymentModel : IId
+    {
+        DateTime PaymentDate { get; }
+        Dictionary<int, IDealModel> Deals { get; }
+        Dictionary<int, ICurrencyModel> Currencies { get; }
+    }
+}
diff --git a/Bank/BankDataModels/Models/ITransferModel.cs b/Bank/BankDataModels/Models/ITransferModel.cs
new file mode 100644
index 0000000..239b701
--- /dev/null
+++ b/Bank/BankDataModels/Models/ITransferModel.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BankDataModels.Models
+{
+    public interface ITransferModel : IId
+    {
+        float Amount { get; }
+        DateTime TransferDateTime { get; }
+        int PaymentId { get; }
+    }
+}