diff --git a/BankYouBankrupt/BankYouBankruptBusinessLogic/BusinessLogics/AccountLogic.cs b/BankYouBankrupt/BankYouBankruptBusinessLogic/BusinessLogics/AccountLogic.cs
index 619e234..f115dc6 100644
--- a/BankYouBankrupt/BankYouBankruptBusinessLogic/BusinessLogics/AccountLogic.cs
+++ b/BankYouBankrupt/BankYouBankruptBusinessLogic/BusinessLogics/AccountLogic.cs
@@ -198,8 +198,8 @@ namespace BankYouBankruptBusinessLogic.BusinessLogics
 				throw new ArgumentNullException("Отсутствие номера у счёта", nameof(model.AccountNumber));
 			}
 
-			//проверка на наличие id владельца
-			if (model.CashierId < 0)
+            //проверка на наличие id владельца
+            if (model.CashierId < 0)
 			{
 				throw new ArgumentNullException("Некорректный Id владельца счёта", nameof(model.CashierId));
 			}
@@ -211,11 +211,15 @@ namespace BankYouBankruptBusinessLogic.BusinessLogics
 			}
 
 			//проверка на наличие пароля счёта
-			if (string.IsNullOrEmpty(model.PasswordAccount))
+			if (string.IsNullOrEmpty(model.PasswordAccount) )
 			{
 				throw new ArgumentNullException("Некорректный пароль счёта", nameof(model.PasswordAccount));
 			}
 
+			if (model.Balance < 0) {
+                throw new ArgumentNullException("Изначальный баланс аккаунта не может быть < 0", nameof(model.Balance));
+            }
+
 			//проверка на корректную дату открытия счёта
 			if (model.DateOpen > DateTime.Now)
 			{
diff --git a/BankYouBankrupt/BankYouBankruptBusinessLogic/BusinessLogics/CardLogic.cs b/BankYouBankrupt/BankYouBankruptBusinessLogic/BusinessLogics/CardLogic.cs
index cf26784..c75ed55 100644
--- a/BankYouBankrupt/BankYouBankruptBusinessLogic/BusinessLogics/CardLogic.cs
+++ b/BankYouBankrupt/BankYouBankruptBusinessLogic/BusinessLogics/CardLogic.cs
@@ -131,13 +131,13 @@ namespace BankYouBankruptBusinessLogic.BusinessLogics
             {
                 return;
             }
-            if (string.IsNullOrEmpty(model.Number))
+            if (string.IsNullOrEmpty(model.Number) || model.Number.Length != 16)
             {
-                throw new ArgumentNullException("Нет номера карты", nameof(model.Number));
+                throw new ArgumentNullException("Неправильный номер карты", nameof(model.Number));
             }
-            if (string.IsNullOrEmpty(model.CVC))
+            if (string.IsNullOrEmpty(model.CVC) || model.CVC.Length != 16)
             {
-                throw new ArgumentNullException("Нет СVC карты", nameof(model.CVC));
+                throw new ArgumentNullException("Неправильный СVC карты", nameof(model.CVC));
             }
             if (model.Period < DateTime.Now)
             {
diff --git a/BankYouBankrupt/BankYouBankruptBusinessLogic/BusinessLogics/CreditingLogic.cs b/BankYouBankrupt/BankYouBankruptBusinessLogic/BusinessLogics/CreditingLogic.cs
index 6fb7a0e..1acf6f4 100644
--- a/BankYouBankrupt/BankYouBankruptBusinessLogic/BusinessLogics/CreditingLogic.cs
+++ b/BankYouBankrupt/BankYouBankruptBusinessLogic/BusinessLogics/CreditingLogic.cs
@@ -138,6 +138,7 @@ namespace BankYouBankruptBusinessLogic.BusinessLogics
 				return false;
 			}
 
+
 			return true;
 		}
 	}
diff --git a/BankYouBankrupt/BankYouBankruptCashierApp/Views/Home/CreateAccount.cshtml b/BankYouBankrupt/BankYouBankruptCashierApp/Views/Home/CreateAccount.cshtml
index 1b80969..58721cb 100644
--- a/BankYouBankrupt/BankYouBankruptCashierApp/Views/Home/CreateAccount.cshtml
+++ b/BankYouBankrupt/BankYouBankruptCashierApp/Views/Home/CreateAccount.cshtml
@@ -50,5 +50,5 @@
 	}
 
 	document.getElementById("accountNumber").value = createNum(16);
-	document.getElementById("cvc").value = createNum(4);
+	document.getElementById("password").value = createNum(4);
 </script>
\ No newline at end of file