// fix new tax rule button

controllers/admin/AdminTaxRulesGroupController.php

@@ -334,11 +334,6 @@ class AdminTaxRulesGroupControllerCore extends AdminController
 					'label' => $this->l('Description:'),
 					'name' => 'description',
 				)
-			),
-			'submit' => array(
-				'title' => $this->l('Save and stay'),
-				'class' => 'btn btn-default',
-				'stay' => true
 			)
 		);
 
@@ -365,8 +360,8 @@ class AdminTaxRulesGroupControllerCore extends AdminController
 		$helper->default_form_language = $this->default_form_language;
 		$helper->allow_employee_form_lang = $this->allow_employee_form_lang;
 		$helper->fields_value = $this->getFieldsValue($this->object);
-		$helper->toolbar_btn['save'] = array(
-			'href' => self::$currentIndex.'&id_tax_rules_group='.$obj->id.'&updatetax_rules_group&token='.$this->token,
+		$helper->toolbar_btn['save_new_rule'] = array(
+			'href' => self::$currentIndex.'&id_tax_rules_group='.$obj->id.'&action=create_rule&token='.$this->token,
 			'desc' => 'Save tax rule',
 			'class' => 'process-icon-save'
 		);