diff --git a/LawFirm/LawFirmBusinessLogic/BusinessLogics/ShopLogic.cs b/LawFirm/LawFirmBusinessLogic/BusinessLogics/ShopLogic.cs
index b5de351..47dd9df 100644
--- a/LawFirm/LawFirmBusinessLogic/BusinessLogics/ShopLogic.cs
+++ b/LawFirm/LawFirmBusinessLogic/BusinessLogics/ShopLogic.cs
@@ -154,6 +154,10 @@ namespace LawFirmBusinessLogic.BusinessLogics
             {
                 throw new ArgumentNullException("Нет названия магазина!", nameof(model.Name));
             }
+            if (model.MaxCountDocuments < 0)
+            {
+                throw new InvalidOperationException("Магазин с отрицательным количеством максимального количества документов!");
+            }
             _logger.LogInformation("Shop. Name: {0}, Adress: {1}, ID: {2}", model.Name, model.Adress, model.Id);
             var element = _shopStorage.GetElement(new ShopSearchModel
             {
diff --git a/LawFirm/LawFirmFileImplement/Implements/ShopStorage.cs b/LawFirm/LawFirmFileImplement/Implements/ShopStorage.cs
index 7463c78..68a4838 100644
--- a/LawFirm/LawFirmFileImplement/Implements/ShopStorage.cs
+++ b/LawFirm/LawFirmFileImplement/Implements/ShopStorage.cs
@@ -11,6 +11,27 @@ using System.Threading.Tasks;
 
 namespace LawFirmFileImplement.Implements
 {
+
+
+    // Нужно узнать, проверять ли на наличие всех товаров, или только
+    // наличие определенного товара
+    // То же самое с продажей
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
     public class ShopStorage : IShopStorage
     {
         private readonly DataFileSingleton source;
diff --git a/LawFirm/LawFirmFileImplement/Models/Shop.cs b/LawFirm/LawFirmFileImplement/Models/Shop.cs
index f3e0b1f..2abbcf9 100644
--- a/LawFirm/LawFirmFileImplement/Models/Shop.cs
+++ b/LawFirm/LawFirmFileImplement/Models/Shop.cs
@@ -109,7 +109,7 @@ namespace LawFirmFileImplement.Models
              new XAttribute("Id", Id),
              new XElement("Name", Name),
              new XElement("Address", Adress),
-             new XElement("MaxCountDocuments", MaxCountDocuments.ToString()),
+             new XElement("MaxCountDocuments", MaxCountDocuments),
              new XElement("OpeningDate", OpeningDate.ToString()),
              new XElement("ShopDocuments", Documents.Select (x =>
              new XElement("ShopDocument",
diff --git a/LawFirm/LawFirmListImplements/Models/Shop.cs b/LawFirm/LawFirmListImplements/Models/Shop.cs
index 82805db..3de9b41 100644
--- a/LawFirm/LawFirmListImplements/Models/Shop.cs
+++ b/LawFirm/LawFirmListImplements/Models/Shop.cs
@@ -21,6 +21,8 @@ namespace LawFirmListImplements.Models
 
         public DateTime OpeningDate { get; private set; }
 
+        public int MaxCountDocuments { get; private set; }
+
         public Dictionary<int, (IDocumentModel, int)> ShopDocuments { get; private set; } = new();
 
         public static Shop? Create (ShopBindingModel model)
@@ -35,6 +37,7 @@ namespace LawFirmListImplements.Models
                 Name = model.Name,
                 Adress = model.Adress,
                 OpeningDate = model.OpeningDate,
+                MaxCountDocuments = model.MaxCountDocuments,
                 ShopDocuments = new()
             };
         }
@@ -49,6 +52,7 @@ namespace LawFirmListImplements.Models
             Adress = model.Adress;
             OpeningDate = model.OpeningDate;
             ShopDocuments = model.ShopDocuments;
+            MaxCountDocuments= model.MaxCountDocuments;
         }
 
         public ShopViewModel GetViewModel => new()
@@ -57,7 +61,10 @@ namespace LawFirmListImplements.Models
             Name = Name,
             Adress = Adress,
             OpeningDate = OpeningDate,
-            ShopDocuments = ShopDocuments
+            ShopDocuments = ShopDocuments,
+            MaxCountDocuments = MaxCountDocuments
         };
+
+        
     }
 }