diff --git a/VeterinaryView/VeterinaryBusinessLogic/BusinessLogic/PurchaseLogic.cs b/VeterinaryView/VeterinaryBusinessLogic/BusinessLogic/PurchaseLogic.cs
index 38aebd6..7894ace 100644
--- a/VeterinaryView/VeterinaryBusinessLogic/BusinessLogic/PurchaseLogic.cs
+++ b/VeterinaryView/VeterinaryBusinessLogic/BusinessLogic/PurchaseLogic.cs
@@ -58,7 +58,23 @@ namespace VeterinaryBusinessLogic.BusinessLogic
 			}
 			return true;
 		}
-		// dateImplement
+		public bool ChangeDateImplement(PurchaseBindingModel model)
+		{
+			CheckModel(model);
+			var element = _purchaseStorage.GetElement(new PurchaseSearchModel { Id = model.Id });
+			if (element == null)
+			{
+				_logger.LogWarning("Read operation failed");
+				return false;
+			}
+			if(element.DateCreate > DateTime.Now)
+			{
+				_logger.LogWarning("DateImplement change operation failed");
+			}
+			model.DateImplement = DateTime.Now;
+			_purchaseStorage.Update(model);
+			return true;
+		}
 		private void CheckModel(PurchaseBindingModel model, bool withParams = true)
 		{
 			if (model == null)
diff --git a/VeterinaryView/VeterinaryContracts/BindingModels/PurchaseBindingModel.cs b/VeterinaryView/VeterinaryContracts/BindingModels/PurchaseBindingModel.cs
index 3fee9c2..e0ed857 100644
--- a/VeterinaryView/VeterinaryContracts/BindingModels/PurchaseBindingModel.cs
+++ b/VeterinaryView/VeterinaryContracts/BindingModels/PurchaseBindingModel.cs
@@ -10,7 +10,7 @@ namespace VeterinaryContracts.BindingModels
 		public int Count { get; set; }
 		public double Sum { get; set; }
 		public DateTime DateCreate { get; set; }
-		public DateTime DateImplement { get; set; }
+		public DateTime? DateImplement { get; set; }
 		public Dictionary<int, IPetModel> PurchasePet { get; set; } = new();
 	}
 }
diff --git a/VeterinaryView/VeterinaryContracts/BindingModels/VisitBindingModel.cs b/VeterinaryView/VeterinaryContracts/BindingModels/VisitBindingModel.cs
index e1cc943..accead9 100644
--- a/VeterinaryView/VeterinaryContracts/BindingModels/VisitBindingModel.cs
+++ b/VeterinaryView/VeterinaryContracts/BindingModels/VisitBindingModel.cs
@@ -6,7 +6,7 @@ namespace VeterinaryContracts.BindingModels
 	{
 		public int Id { get; set; }
 		public int OwnerId { get; set; }
-		public int? DoctorId { get; set; } = null;
+		public int DoctorId { get; set; }
 		public string VisitName { get; set; } = string.Empty;
 		public DateTime DateVisit { get; set; }
 		public Dictionary<int, IPetModel> VisitPet { get; set; } = new();
diff --git a/VeterinaryView/VeterinaryContracts/BusinessLogicContracts/IPurchaseLogic.cs b/VeterinaryView/VeterinaryContracts/BusinessLogicContracts/IPurchaseLogic.cs
index 9066477..575cb4b 100644
--- a/VeterinaryView/VeterinaryContracts/BusinessLogicContracts/IPurchaseLogic.cs
+++ b/VeterinaryView/VeterinaryContracts/BusinessLogicContracts/IPurchaseLogic.cs
@@ -9,5 +9,6 @@ namespace VeterinaryContracts.BusinessLogicContracts
 		List<PurchaseViewModel>? ReadList(PurchaseSearchModel? model);
 		PurchaseViewModel? ReadElement(PurchaseSearchModel model);
 		bool CreatePurchase(PurchaseBindingModel model);
+		bool ChangeDateImplement(PurchaseBindingModel model);
 	}
 }
diff --git a/VeterinaryView/VeterinaryDataModels/Models/IPurchaseModel.cs b/VeterinaryView/VeterinaryDataModels/Models/IPurchaseModel.cs
index 39bb826..beaa5bf 100644
--- a/VeterinaryView/VeterinaryDataModels/Models/IPurchaseModel.cs
+++ b/VeterinaryView/VeterinaryDataModels/Models/IPurchaseModel.cs
@@ -7,7 +7,7 @@
         int Count { get; }
         double Sum { get; }
 		DateTime DateCreate { get; }
-		DateTime DateImplement { get; }
+		DateTime? DateImplement { get; }
 		Dictionary<int, IPetModel> PurchasePet { get; }
     }
 }
diff --git a/VeterinaryView/VeterinaryDataModels/Models/IVisitModel.cs b/VeterinaryView/VeterinaryDataModels/Models/IVisitModel.cs
index 42bc64c..63066bd 100644
--- a/VeterinaryView/VeterinaryDataModels/Models/IVisitModel.cs
+++ b/VeterinaryView/VeterinaryDataModels/Models/IVisitModel.cs
@@ -3,7 +3,7 @@
     public interface IVisitModel : IId
     {
         int OwnerId { get; }
-        int? DoctorId { get; }
+        int DoctorId { get; }
         string VisitName { get; }
         DateTime DateVisit { get; }
         Dictionary<int, IPetModel> VisitPet { get; }
diff --git a/VeterinaryView/VeterinaryRestApi/Controllers/PurchaseController.cs b/VeterinaryView/VeterinaryRestApi/Controllers/PurchaseController.cs
index 33aafb9..2fd05c0 100644
--- a/VeterinaryView/VeterinaryRestApi/Controllers/PurchaseController.cs
+++ b/VeterinaryView/VeterinaryRestApi/Controllers/PurchaseController.cs
@@ -3,6 +3,7 @@ using VeterinaryContracts.BindingModels;
 using VeterinaryContracts.BusinessLogicContracts;
 using VeterinaryContracts.SearchModels;
 using VeterinaryContracts.ViewModels;
+using VeterinaryDatabaseImplement.Models;
 
 namespace VeterinaryRestApi.Controllers
 {
@@ -59,5 +60,19 @@ namespace VeterinaryRestApi.Controllers
 				throw;
 			}
 		}
+		[HttpPost]
+		public bool ChangeDateImplement(PurchaseBindingModel model)
+		{
+			try
+			{
+				_purchase.ChangeDateImplement(model);
+				return true;
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Не удалось обновить покупку");
+				throw;
+			}
+		}
 	}
 }
diff --git a/VeterinaryView/VeterinaryShowOwnerApp/Views/Home/Purchases.cshtml b/VeterinaryView/VeterinaryShowOwnerApp/Views/Home/Purchases.cshtml
index bb56de6..4edc322 100644
--- a/VeterinaryView/VeterinaryShowOwnerApp/Views/Home/Purchases.cshtml
+++ b/VeterinaryView/VeterinaryShowOwnerApp/Views/Home/Purchases.cshtml
@@ -39,6 +39,7 @@
 					</th>
 				</tr>
 			</thead>
+			<select id="purchases" name="purchases" class="form-control" asp-items="@(new SelectList(@ViewBag.Purchases, "Id"))">
 			<tbody>
 				@foreach (var item in Model)
 				{
@@ -70,6 +71,7 @@
 					</tr>
 				}
 			</tbody>
+			</select>
 		</table>
 	}
 </div>