diff --git a/PlumbingRepair/PlumbingRepairBusinessLogic/BusinessLogics/OrderLogic.cs b/PlumbingRepair/PlumbingRepairBusinessLogic/BusinessLogics/OrderLogic.cs
index 674bc70..28467f3 100644
--- a/PlumbingRepair/PlumbingRepairBusinessLogic/BusinessLogics/OrderLogic.cs
+++ b/PlumbingRepair/PlumbingRepairBusinessLogic/BusinessLogics/OrderLogic.cs
@@ -4,6 +4,7 @@ using PlumbingRepairContracts.BusinessLogicsContracts;
 using PlumbingRepairContracts.SearchModels;
 using PlumbingRepairContracts.StoragesContracts;
 using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairDataModels.Enums;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -24,7 +25,7 @@ namespace PlumbingRepairBusinessLogic.BusinessLogics
         }
         public List<OrderViewModel>? ReadList(OrderSearchModel? model)
         {
-            _logger.LogInformation("ReadList.Id:{Id} ", model?.Id);
+            _logger.LogInformation("ReadList.OrderId:{Id} ", model?.Id);
             var list = model == null ? _orderStorage.GetFullList() :
                     _orderStorage.GetFilteredList(model);
             if (list == null)
@@ -54,34 +55,59 @@ namespace PlumbingRepairBusinessLogic.BusinessLogics
         public bool CreateOrder(OrderBindingModel model)
         {
             CheckModel(model);
+            if (model.Status != OrderStatus.Неизвестен)
+            {
+                _logger.LogWarning("Insert operation failed. Order Status incorrect.");
+                return false;
+            }
+
+            model.Status = OrderStatus.Принят;
+
             if (_orderStorage.Insert(model) == null)
             {
+                model.Status = OrderStatus.Неизвестен;
                 _logger.LogWarning("Insert operation failed");
                 return false;
             }
+
             return true;
         }
-        public bool Update(OrderBindingModel model)
+        public bool StatusUpdate(OrderBindingModel model)
         {
             CheckModel(model);
+            if(model.Status + 1 > OrderStatus.Выдан)
+            {
+                _logger.LogWarning("Status update: operation failed. Order status incorrect.");
+                return false;
+            }
+            model.Status += 1;
+            if(model.Status == OrderStatus.Выдан)
+            {
+                model.DateImplement = DateTime.Now;
+            }
             if (_orderStorage.Update(model) == null)
             {
+                model.Status--;
                 _logger.LogWarning("Update operation failed");
                 return false;
             }
             return true;
         }
-        public bool Delete(OrderBindingModel model)
+        public bool TakeOrderInWork(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;
+            return StatusUpdate(model);
         }
+
+        public bool DeliveryOrder(OrderBindingModel model)
+        {
+            return StatusUpdate(model);
+        }
+
+        public bool FinishOrder(OrderBindingModel model)
+        {
+            return StatusUpdate(model);
+        }
+
         private void CheckModel(OrderBindingModel model, bool withParams = true)
         {
             if (model == null)
@@ -92,15 +118,21 @@ namespace PlumbingRepairBusinessLogic.BusinessLogics
             {
                 return;
             }
-            _logger.LogInformation("Component.Id: {Id}", model.Id);
-            var element = _orderStorage.GetElement(new OrderSearchModel
+            if (model.WorkId < 0)
             {
-                WorkName = model.WorkName
-            });
-            if (element != null && element.Id != model.Id)
-            {
-                throw new InvalidOperationException("Работа с таким названием уже есть");
+                throw new ArgumentNullException("Некорректный идентификатор изделия", nameof(model.WorkId));
             }
+
+            if (model.Count <= 0)
+            {
+                throw new ArgumentNullException("Количество изделий в заказе должно быть больше 0", nameof(model.Count));
+            }
+
+            if (model.Sum <= 0)
+            {
+                throw new ArgumentNullException("Сумма заказа должна быть больше 0", nameof(model.Sum));
+            }
+            _logger.LogInformation("Order. OrderId:{Id}.Sum:{ Sum}. WorkId: { WorkId}", model.Id, model.Sum, model.WorkId);
         }
     }
 }