diff --git a/app/Http/Requests/Banking/Account.php b/app/Http/Requests/Banking/Account.php
index bbc16d74b..25e0f532f 100644
--- a/app/Http/Requests/Banking/Account.php
+++ b/app/Http/Requests/Banking/Account.php
@@ -28,6 +28,7 @@ class Account extends Request
             'number' => 'required|string',
             'currency_code' => 'required|string|currency',
             'opening_balance' => 'required',
+            'enabled' => 'integer|boolean',
         ];
     }
 }
diff --git a/app/Http/Requests/Common/Item.php b/app/Http/Requests/Common/Item.php
index e6832a083..3b2f4a564 100644
--- a/app/Http/Requests/Common/Item.php
+++ b/app/Http/Requests/Common/Item.php
@@ -39,9 +39,9 @@ class Item extends Request
             'sale_price' => 'required',
             'purchase_price' => 'required',
             'quantity' => 'required|integer',
-            'tax_id' => 'integer',
-            'category_id' => 'integer',
-            'enabled' => 'integer',
+            'tax_id' => 'nullable|integer',
+            'category_id' => 'nullable|integer',
+            'enabled' => 'integer|boolean',
             'picture' => 'mimes:' . setting('general.file_types') . '|between:0,' . setting('general.file_size') * 1024,
         ];
     }
diff --git a/app/Http/Requests/Expense/Payment.php b/app/Http/Requests/Expense/Payment.php
index cd7e3027a..e14198d30 100644
--- a/app/Http/Requests/Expense/Payment.php
+++ b/app/Http/Requests/Expense/Payment.php
@@ -29,7 +29,7 @@ class Payment extends Request
             'amount' => 'required',
             'currency_code' => 'required|string|currency',
             'currency_rate' => 'required',
-            'vendor_id' => 'integer',
+            'vendor_id' => 'nullable|integer',
             'category_id' => 'required|integer',
             'payment_method' => 'required|string',
             'attachment' => 'mimes:' . setting('general.file_types') . '|between:0,' . setting('general.file_size') * 1024,
diff --git a/app/Http/Requests/Expense/Vendor.php b/app/Http/Requests/Expense/Vendor.php
index fd7a5295e..9b4d1ea0d 100644
--- a/app/Http/Requests/Expense/Vendor.php
+++ b/app/Http/Requests/Expense/Vendor.php
@@ -40,11 +40,11 @@ class Vendor extends Request
         }
 
         return [
-            'user_id' => 'integer',
+            'user_id' => 'nullable|integer',
             'name' => 'required|string',
             'email' => $email,
             'currency_code' => 'required|string|currency',
-            'enabled' => 'integer',
+            'enabled' => 'integer|boolean',
         ];
     }
 }
diff --git a/app/Http/Requests/Income/Customer.php b/app/Http/Requests/Income/Customer.php
index 2b8d19bc5..f57b4ab04 100644
--- a/app/Http/Requests/Income/Customer.php
+++ b/app/Http/Requests/Income/Customer.php
@@ -45,12 +45,12 @@ class Customer extends Request
         }
 
         return [
-            'user_id' => 'integer',
+            'user_id' => 'nullable|integer',
             'name' => 'required|string',
             'email' => $email,
             'currency_code' => 'required|string|currency',
             'password' => $required . 'confirmed',
-            'enabled' => 'integer',
+            'enabled' => 'integer|boolean',
         ];
     }
 }
diff --git a/app/Http/Requests/Income/Revenue.php b/app/Http/Requests/Income/Revenue.php
index 6f1f5fac6..f6cb5666f 100644
--- a/app/Http/Requests/Income/Revenue.php
+++ b/app/Http/Requests/Income/Revenue.php
@@ -29,7 +29,7 @@ class Revenue extends Request
             'amount' => 'required',
             'currency_code' => 'required|string|currency',
             'currency_rate' => 'required',
-            'customer_id' => 'integer',
+            'customer_id' => 'nullable|integer',
             'category_id' => 'required|integer',
             'payment_method' => 'required|string',
             'attachment' => 'mimes:' . setting('general.file_types') . '|between:0,' . setting('general.file_size') * 1024,
diff --git a/app/Http/Requests/Setting/Currency.php b/app/Http/Requests/Setting/Currency.php
index 28bb37f35..3d9f9e62a 100644
--- a/app/Http/Requests/Setting/Currency.php
+++ b/app/Http/Requests/Setting/Currency.php
@@ -37,8 +37,9 @@ class Currency extends Request
             'name' => 'required|string',
             'code' => 'required|string|unique:currencies,NULL,' . $id . ',id,company_id,' . $company_id . ',deleted_at,NULL',
             'rate' => 'required',
-            'enabled' => 'boolean',
+            'enabled' => 'integer|boolean',
             'default_currency' => 'boolean',
+            'symbol_first' => 'nullable|boolean',
         ];
     }
 }