diff --git a/ConstructionCompany/ConstructionCompanyBusiness/BusinessLogics/OrderLogic.cs b/ConstructionCompany/ConstructionCompanyBusiness/BusinessLogics/OrderLogic.cs
index fee1795..3039f34 100644
--- a/ConstructionCompany/ConstructionCompanyBusiness/BusinessLogics/OrderLogic.cs
+++ b/ConstructionCompany/ConstructionCompanyBusiness/BusinessLogics/OrderLogic.cs
@@ -3,6 +3,7 @@ using ConstructionCompanyContracts.BusinessLogicContracts;
 using ConstructionCompanyContracts.SearchModels;
 using ConstructionCompanyContracts.StorageContracts;
 using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyDataModels.Enums;
 using Microsoft.Extensions.Logging;
 using System;
 using System.Collections.Generic;
@@ -56,7 +57,8 @@ namespace ConstructionCompanyBusinessLogic.BusinessLogics
         public bool CreateOrder(OrderBindingModel model)
         {
             CheckModel(model);
-            model.Status = ConstructionCompanyDataModels.Enums.OrderStatus.Принят;
+            if (model.Status != OrderStatus.Неизвестен) return false;
+            model.Status = OrderStatus.Принят;
             if (_orderStorage.Insert(model) == null)
             {
                 _logger.LogWarning("Insert operation failed");
@@ -64,27 +66,48 @@ namespace ConstructionCompanyBusinessLogic.BusinessLogics
             }
             return true;
         }
-        public bool TakeOrderInWork(OrderBindingModel model)
-        {
-            CheckModel(model);
-            model.Status = ConstructionCompanyDataModels.Enums.OrderStatus.Выполняется;
-            if (_orderStorage.Update(model) == null)
-            {
-                _logger.LogWarning("Update operation failed");
-                return false;
-            }
-            return true;
-        }
+
         public bool FinishOrder(OrderBindingModel model)
         {
-            CheckModel(model);
-            model.Status = ConstructionCompanyDataModels.Enums.OrderStatus.Завершён;
-            model.DateEnd = DateTime.Now;
-            if (_orderStorage.Update(model) == null)
+            CheckModel(model, false);
+            var element = _orderStorage.GetElement(new OrderSearchModel
             {
-                _logger.LogWarning("Update operation failed");
+                Id = model.Id
+            });
+            if (element == null)
+            {
+                _logger.LogWarning("Read operation failed");
                 return false;
             }
+            if (element.Status != OrderStatus.Выполняется)
+            {
+                _logger.LogWarning("Status change operation failed");
+                throw new InvalidOperationException("Заказ должен быть переведен в статус выполнения перед готовностью!");
+            }
+            model.Status = OrderStatus.Завершён;
+            _orderStorage.Update(model);
+            return true;
+        }
+
+        public bool TakeOrderInWork(OrderBindingModel model)
+        {
+            CheckModel(model, false);
+            var element = _orderStorage.GetElement(new OrderSearchModel
+            {
+                Id = model.Id
+            });
+            if (element == null)
+            {
+                _logger.LogWarning("Read operation failed");
+                return false;
+            }
+            if (element.Status != OrderStatus.Принят)
+            {
+                _logger.LogWarning("Status change operation failed");
+                throw new InvalidOperationException("Заказ должен быть переведен в статус принятого перед его выполнением!");
+            }
+            model.Status = OrderStatus.Выполняется;
+            _orderStorage.Update(model);
             return true;
         }