diff --git a/CarCenter/CarCenterBusinessLogic/BusinessLogics/BundlingLogic.cs b/CarCenter/CarCenterBusinessLogic/BusinessLogics/BundlingLogic.cs
index 02ec3d1..45e6334 100644
--- a/CarCenter/CarCenterBusinessLogic/BusinessLogics/BundlingLogic.cs
+++ b/CarCenter/CarCenterBusinessLogic/BusinessLogics/BundlingLogic.cs
@@ -41,7 +41,7 @@ namespace CarCenterBusinessLogic.BusinessLogics
 			{
 				throw new ArgumentNullException(nameof(model));
 			}
-			_logger.LogInformation("ReadElement. ComponentId:Id:{ Id}", model.Id);
+			_logger.LogInformation("ReadElement. BundlingId:Id:{ Id}", model.Id);
 			var element = _bundlingStorage.GetElement(model);
 			if (element == null)
 			{
diff --git a/CarCenter/CarCenterBusinessLogic/BusinessLogics/FeatureLogic.cs b/CarCenter/CarCenterBusinessLogic/BusinessLogics/FeatureLogic.cs
index 245313c..b7ede06 100644
--- a/CarCenter/CarCenterBusinessLogic/BusinessLogics/FeatureLogic.cs
+++ b/CarCenter/CarCenterBusinessLogic/BusinessLogics/FeatureLogic.cs
@@ -41,7 +41,7 @@ namespace CarCenterBusinessLogic.BusinessLogics
 			{
 				throw new ArgumentNullException(nameof(model));
 			}
-			_logger.LogInformation("ReadElement. ComponentId:Id:{ Id}", model.Id);
+			_logger.LogInformation("ReadElement. FeatureId:Id:{ Id}", model.Id);
 			var element = _fatureStorage.GetElement(model);
 			if (element == null)
 			{
diff --git a/CarCenter/CarCenterBusinessLogic/BusinessLogics/OrderLogic.cs b/CarCenter/CarCenterBusinessLogic/BusinessLogics/OrderLogic.cs
new file mode 100644
index 0000000..7fddbdd
--- /dev/null
+++ b/CarCenter/CarCenterBusinessLogic/BusinessLogics/OrderLogic.cs
@@ -0,0 +1,110 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.BusinessLogicsContracts;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.StoragesContracts;
+using CarCenterContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterBusinessLogic.BusinessLogics
+{
+	public class OrderLogic : IOrderLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IOrderStorage _orderStorage;
+		public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage)
+		{
+			_logger = logger;
+			_orderStorage = orderStorage;
+		}
+
+		public List<OrderViewModel>? ReadList(OrderSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. OrderId:Id:{ Id}", model?.Id);
+			var list = model == null ? _orderStorage.GetFullList() : _orderStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
+			return list;
+		}
+
+		public OrderViewModel? ReadElement(OrderSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			_logger.LogInformation("ReadElement. OrderId:Id:{ Id}", model.Id);
+			var element = _orderStorage.GetElement(model);
+			if (element == null)
+			{
+				_logger.LogWarning("ReadElement element not found");
+				return null;
+			}
+			_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+			return element;
+		}
+
+		public bool Create(OrderBindingModel model)
+		{
+			CheckModel(model);
+			if (_orderStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Update(OrderBindingModel model)
+		{
+			CheckModel(model);
+			if (_orderStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Delete(OrderBindingModel model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete. Id:{Id}", model.Id);
+			if (_orderStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		private void CheckModel(OrderBindingModel model, bool withParams = true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (model.BuyerFCS == string.Empty)
+			{
+				throw new ArgumentNullException("Нет покупателя", nameof(model.BuyerFCS));
+			}
+			if(model.Sum < 0)
+			{
+				throw new ArgumentOutOfRangeException("Сумма меньше нуля",nameof(model.Sum));
+			}
+			_logger.LogInformation("Order. Order:Id:{ Id}.Sum:{ Sum}", model.Id, model.Sum);
+		}
+	}
+}
diff --git a/CarCenter/CarCenterBusinessLogic/BusinessLogics/PresaleLogic.cs b/CarCenter/CarCenterBusinessLogic/BusinessLogics/PresaleLogic.cs
new file mode 100644
index 0000000..651cfc0
--- /dev/null
+++ b/CarCenter/CarCenterBusinessLogic/BusinessLogics/PresaleLogic.cs
@@ -0,0 +1,110 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.BusinessLogicsContracts;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.StoragesContracts;
+using CarCenterContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterBusinessLogic.BusinessLogics
+{
+	public class PresaleLogic : IPresaleLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IPresaleStorage _presaleStorage;
+		public PresaleLogic(ILogger<PresaleLogic> logger, IPresaleStorage presaleStorage)
+		{
+			_logger = logger;
+			_presaleStorage = presaleStorage;
+		}
+
+		public List<PresaleViewModel>? ReadList(PresaleSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. PresaleId:Id:{ Id}", model?.Id);
+			var list = model == null ? _presaleStorage.GetFullList() : _presaleStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
+			return list;
+		}
+
+		public PresaleViewModel? ReadElement(PresaleSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			_logger.LogInformation("ReadElement. PresaleId:Id:{ Id}", model.Id);
+			var element = _presaleStorage.GetElement(model);
+			if (element == null)
+			{
+				_logger.LogWarning("ReadElement element not found");
+				return null;
+			}
+			_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+			return element;
+		}
+
+		public bool Create(PresaleBindingModel model)
+		{
+			CheckModel(model);
+			if (_presaleStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Update(PresaleBindingModel model)
+		{
+			CheckModel(model);
+			if (_presaleStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Delete(PresaleBindingModel model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete. Id:{Id}", model.Id);
+			if (_presaleStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		private void CheckModel(PresaleBindingModel model, bool withParams = true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (model.Description == string.Empty)
+			{
+				throw new ArgumentNullException("Нет описания", nameof(model.Description));
+			}
+			if (model.DueTill < DateTime.Now)
+			{
+				throw new InvalidOperationException("Срок выполнения раньше текущего времени");
+			}
+			_logger.LogInformation("Presale. Presale:Id:{ Id}.Price:{ Price}", model.Id, model.Description);
+		}
+	}
+}
diff --git a/CarCenter/CarCenterBusinessLogic/BusinessLogics/RequestLogic.cs b/CarCenter/CarCenterBusinessLogic/BusinessLogics/RequestLogic.cs
new file mode 100644
index 0000000..ede807a
--- /dev/null
+++ b/CarCenter/CarCenterBusinessLogic/BusinessLogics/RequestLogic.cs
@@ -0,0 +1,106 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.BusinessLogicsContracts;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.StoragesContracts;
+using CarCenterContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterBusinessLogic.BusinessLogics
+{
+	public class RequestLogic : IRequestLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IRequestStorage _requestStorage;
+		public RequestLogic(ILogger<RequestLogic> logger, IRequestStorage requestStorage)
+		{
+			_logger = logger;
+			_requestStorage = requestStorage;
+		}
+
+		public List<RequestViewModel>? ReadList(RequestSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. RequestId:Id:{ Id}", model?.Id);
+			var list = model == null ? _requestStorage.GetFullList() : _requestStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
+			return list;
+		}
+
+		public RequestViewModel? ReadElement(RequestSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			_logger.LogInformation("ReadElement. RequestId:Id:{ Id}", model.Id);
+			var element = _requestStorage.GetElement(model);
+			if (element == null)
+			{
+				_logger.LogWarning("ReadElement element not found");
+				return null;
+			}
+			_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+			return element;
+		}
+
+		public bool Create(RequestBindingModel model)
+		{
+			CheckModel(model);
+			if (_requestStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Update(RequestBindingModel model)
+		{
+			CheckModel(model);
+			if (_requestStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Delete(RequestBindingModel model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete. Id:{Id}", model.Id);
+			if (_requestStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		private void CheckModel(RequestBindingModel model, bool withParams = true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (model.Description == string.Empty)
+			{
+				throw new ArgumentNullException("Нет описания", nameof(model.Description));
+			}
+			_logger.LogInformation("Request. Request:Id:{ Id}.Description:{ Description}", model.Id, model.Description);
+		}
+	}
+}
diff --git a/CarCenter/CarCenterBusinessLogic/BusinessLogics/StorekeeperLogic.cs b/CarCenter/CarCenterBusinessLogic/BusinessLogics/StorekeeperLogic.cs
index a23e0e1..f56940a 100644
--- a/CarCenter/CarCenterBusinessLogic/BusinessLogics/StorekeeperLogic.cs
+++ b/CarCenter/CarCenterBusinessLogic/BusinessLogics/StorekeeperLogic.cs
@@ -41,7 +41,7 @@ namespace CarCenterBusinessLogic.BusinessLogics
 			{
 				throw new ArgumentNullException(nameof(model));
 			}
-			_logger.LogInformation("ReadElement. ComponentId:Id:{ Id}", model.Id);
+			_logger.LogInformation("ReadElement. StorekeeperId:Id:{ Id}", model.Id);
 			var element = _storekeeperStorage.GetElement(model);
 			if (element == null)
 			{
@@ -100,7 +100,7 @@ namespace CarCenterBusinessLogic.BusinessLogics
 			{
 				throw new ArgumentNullException("Нет телефона", nameof(model.PhoneNumber));
 			}
-			_logger.LogInformation("Storekeeper. Storekeeper:Id:{ Id}.Price:{ Price}", model.Id, model.PhoneNumber);
+			_logger.LogInformation("Storekeeper. Storekeeper:Id:{ Id}.PhoneNumber:{ PhoneNumber}", model.Id, model.PhoneNumber);
 		}
 	}
 }
diff --git a/CarCenter/CarCenterBusinessLogic/BusinessLogics/WorkerLogic.cs b/CarCenter/CarCenterBusinessLogic/BusinessLogics/WorkerLogic.cs
new file mode 100644
index 0000000..4e15bf1
--- /dev/null
+++ b/CarCenter/CarCenterBusinessLogic/BusinessLogics/WorkerLogic.cs
@@ -0,0 +1,106 @@
+using CarCenterContracts.BindingModels;
+using CarCenterContracts.BusinessLogicsContracts;
+using CarCenterContracts.SearchModels;
+using CarCenterContracts.StoragesContracts;
+using CarCenterContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarCenterBusinessLogic.BusinessLogics
+{
+	public class WorkerLogic : IWorkerLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IWorkerStorage _workerStorage;
+		public WorkerLogic(ILogger<WorkerLogic> logger, IWorkerStorage workerStorage)
+		{
+			_logger = logger;
+			_workerStorage = workerStorage;
+		}
+
+		public List<WorkerViewModel>? ReadList(WorkerSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. WorkerId:Id:{ Id}", model?.Id);
+			var list = model == null ? _workerStorage.GetFullList() : _workerStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
+			return list;
+		}
+
+		public WorkerViewModel? ReadElement(WorkerSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			_logger.LogInformation("ReadElement. ComponentId:Id:{ Id}", model.Id);
+			var element = _workerStorage.GetElement(model);
+			if (element == null)
+			{
+				_logger.LogWarning("ReadElement element not found");
+				return null;
+			}
+			_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+			return element;
+		}
+
+		public bool Create(WorkerBindingModel model)
+		{
+			CheckModel(model);
+			if (_workerStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Update(WorkerBindingModel model)
+		{
+			CheckModel(model);
+			if (_workerStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Delete(WorkerBindingModel model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete. Id:{Id}", model.Id);
+			if (_workerStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		private void CheckModel(WorkerBindingModel model, bool withParams = true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (model.PhoneNumber <= 0)
+			{
+				throw new ArgumentNullException("Нет телефона", nameof(model.PhoneNumber));
+			}
+			_logger.LogInformation("Worker. Worker:Id:{ Id}.PhoneNumber:{ PhoneNumber}", model.Id, model.PhoneNumber);
+		}
+	}
+}
diff --git a/CarCenter/CarCenterContracts/SearchModels/OrderSearchModel.cs b/CarCenter/CarCenterContracts/SearchModels/OrderSearchModel.cs
index 03f8ad2..9087f3a 100644
--- a/CarCenter/CarCenterContracts/SearchModels/OrderSearchModel.cs
+++ b/CarCenter/CarCenterContracts/SearchModels/OrderSearchModel.cs
@@ -9,7 +9,5 @@ namespace CarCenterContracts.SearchModels
 	public class OrderSearchModel
 	{
 		public int? Id { get; set; }
-
-		public string? BuyerFCS { get; set; }
 	}
 }