diff --git a/CarCenter/CarCenterContracts/BusinessLogicsContracts/IOrderLogic.cs b/CarCenter/CarCenterContracts/BusinessLogicsContracts/IOrderLogic.cs
new file mode 100644
index 0000000..9d6d904
--- /dev/null
+++ b/CarCenter/CarCenterContracts/BusinessLogicsContracts/IOrderLogic.cs
@@ -0,0 +1,20 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterContracts.BusinessLogicsContracts
+{
+	public interface IOrderLogic
+	{
+		List<OrderViewModel>? ReadList(OrderSearchModel? model);
+		OrderViewModel? ReadElement(OrderSearchModel model);
+		bool Create(OrderBindingModel model);
+		bool Update(OrderBindingModel model);
+		bool Delete(OrderBindingModel model);
+	}
+}
diff --git a/CarCenter/CarCenterContracts/BusinessLogicsContracts/IPresaleLogic.cs b/CarCenter/CarCenterContracts/BusinessLogicsContracts/IPresaleLogic.cs
new file mode 100644
index 0000000..d500ce0
--- /dev/null
+++ b/CarCenter/CarCenterContracts/BusinessLogicsContracts/IPresaleLogic.cs
@@ -0,0 +1,20 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterContracts.BusinessLogicsContracts
+{
+	public interface IPresaleLogic
+	{
+		List<PresaleViewModel>? ReadList(PresaleSearchModel? model);
+		PresaleViewModel? ReadElement(PresaleSearchModel model);
+		bool Create(PresaleBindingModel model);
+		bool Update(PresaleBindingModel model);
+		bool Delete(PresaleBindingModel model);
+	}
+}
diff --git a/CarCenter/CarCenterContracts/BusinessLogicsContracts/IRequestLogic.cs b/CarCenter/CarCenterContracts/BusinessLogicsContracts/IRequestLogic.cs
new file mode 100644
index 0000000..aa598e6
--- /dev/null
+++ b/CarCenter/CarCenterContracts/BusinessLogicsContracts/IRequestLogic.cs
@@ -0,0 +1,20 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterContracts.BusinessLogicsContracts
+{
+	public interface IRequestLogic
+	{
+		List<RequestViewModel>? ReadList(RequestSearchModel? model);
+		RequestViewModel? ReadElement(RequestSearchModel model);
+		bool Create(RequestBindingModel model);
+		bool Update(RequestBindingModel model);
+		bool Delete(RequestBindingModel model);
+	}
+}
diff --git a/CarCenter/CarCenterContracts/BusinessLogicsContracts/IWorkerLogic.cs b/CarCenter/CarCenterContracts/BusinessLogicsContracts/IWorkerLogic.cs
new file mode 100644
index 0000000..4a5d9cc
--- /dev/null
+++ b/CarCenter/CarCenterContracts/BusinessLogicsContracts/IWorkerLogic.cs
@@ -0,0 +1,20 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterContracts.BusinessLogicsContracts
+{
+	public interface IWorkerLogic
+	{
+		List<WorkerViewModel>? ReadList(WorkerSearchModel? model);
+		WorkerViewModel? ReadElement(WorkerSearchModel model);
+		bool Create(WorkerBindingModel model);
+		bool Update(WorkerBindingModel model);
+		bool Delete(WorkerBindingModel model);
+	}
+}
diff --git a/CarCenter/CarCenterContracts/CarCenterContracts.csproj b/CarCenter/CarCenterContracts/CarCenterContracts.csproj
index 47a90e7..97673d7 100644
--- a/CarCenter/CarCenterContracts/CarCenterContracts.csproj
+++ b/CarCenter/CarCenterContracts/CarCenterContracts.csproj
@@ -6,10 +6,6 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
-  <ItemGroup>
-    <Folder Include="BusinessLogicsContracts\" />
-  </ItemGroup>
-
   <ItemGroup>
     <ProjectReference Include="..\CarCenterDataModels\CarCenterDataModels.csproj" />
   </ItemGroup>
diff --git a/CarCenter/CarCenterContracts/ViewModels/OrderViewModel.cs b/CarCenter/CarCenterContracts/ViewModels/OrderViewModel.cs
new file mode 100644
index 0000000..19ba223
--- /dev/null
+++ b/CarCenter/CarCenterContracts/ViewModels/OrderViewModel.cs
@@ -0,0 +1,26 @@
+using CarCenterDataModels.Enums;
+using CarCenterDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterContracts.ViewModels
+{
+	public class OrderViewModel : IOrderModel
+	{
+		public int Id { get; set; }
+		[DisplayName("Тип оплаты")]
+		public PaymentType PaymentType { get; set; } = PaymentType.Неизвестно;
+		[DisplayName("Статус оплаты")]
+		public PaymentStatus PaymentStatus { get; set; } = PaymentStatus.Неизвестно;
+		[DisplayName("ФИО покупателя")]
+		public string BuyerFCS { get; set; } = string.Empty;
+		[DisplayName("Дата оплаты")]
+		public DateTime PaymentDate { get; set; }
+		[DisplayName("Сумма")]
+		public double Sum { get; set; }
+	}
+}
diff --git a/CarCenter/CarCenterContracts/ViewModels/PresaleViewModel.cs b/CarCenter/CarCenterContracts/ViewModels/PresaleViewModel.cs
new file mode 100644
index 0000000..e9c7c56
--- /dev/null
+++ b/CarCenter/CarCenterContracts/ViewModels/PresaleViewModel.cs
@@ -0,0 +1,24 @@
+using CarCenterDataModels.Enums;
+using CarCenterDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterContracts.ViewModels
+{
+	public class PresaleViewModel : IPresaleModel
+	{
+		public int Id { get; set; }
+		[DisplayName("Статус работы")]
+		public PresaleStatus PresaleStatus { get; set; } = PresaleStatus.Неизвестно;
+		[DisplayName("Описание")]
+		public string Description { get; set; } = string.Empty;
+		[DisplayName("Выполнить до")]
+		public DateTime DueTill { get; set; }
+		[DisplayName("Цена")]
+		public double Price { get; set; }
+	}
+}
diff --git a/CarCenter/CarCenterContracts/ViewModels/RequestViewModel.cs b/CarCenter/CarCenterContracts/ViewModels/RequestViewModel.cs
new file mode 100644
index 0000000..ed27dbb
--- /dev/null
+++ b/CarCenter/CarCenterContracts/ViewModels/RequestViewModel.cs
@@ -0,0 +1,20 @@
+using CarCenterDataModels.Enums;
+using CarCenterDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterContracts.ViewModels
+{
+	public class RequestViewModel : IRequestModel
+	{
+		public int Id { get; set; }
+		[DisplayName("Описание")]
+		public string Description { get; set; } = string.Empty;
+		[DisplayName("Тип пожелания")]
+		public RequestTypes RequestType { get; set; } = RequestTypes.Неизвестно;
+	}
+}
diff --git a/CarCenter/CarCenterContracts/ViewModels/WorkerViewModel.cs b/CarCenter/CarCenterContracts/ViewModels/WorkerViewModel.cs
new file mode 100644
index 0000000..287c858
--- /dev/null
+++ b/CarCenter/CarCenterContracts/ViewModels/WorkerViewModel.cs
@@ -0,0 +1,27 @@
+using CarCenterDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterContracts.ViewModels
+{
+	public class WorkerViewModel : IWorkerModel
+	{
+		public int Id { get; set; }
+		[DisplayName("Имя")]
+		public string Name { get; set; } = string.Empty;
+		[DisplayName("Фамилия")]
+		public string Surname { get; set; } = string.Empty;
+		[DisplayName("Отчество")]
+		public string? Patronymic { get; set; }
+		[DisplayName("Пароль")]
+		public string Password { get; set; } = string.Empty;
+		[DisplayName("Почта")]
+		public string Email { get; set; } = string.Empty;
+		[DisplayName("Номер телефона")]
+		public long PhoneNumber { get; set; }
+	}
+}