/**
  * Method to get profiles tax rule(s) detail.
  *
  * @param   string  $taxRule_id  Tax rule id.
  *
  * @since   2.2
  * @return   null object.
  */
 public function getTaxRules($taxprofile_id = '', $taxRule_id = '')
 {
     $zoneHelper = new zoneHelper();
     return $zoneHelper->getTaxRules($taxprofile_id, $taxRule_id);
 }
 /**
  * Method to get profiles tax rule(s) detail.
  *
  * @param   string  $taxRule_id  Tax rule id.
  *
  * @since   2.2
  * @return   null object.
  */
 public function getTaxRules($taxprofile_id = '', $taxRule_id = '')
 {
     // Load Zone helper.
     $path = JPATH_SITE . DS . "components" . DS . "com_quick2cart" . DS . 'helpers' . DS . "zoneHelper.php";
     if (!class_exists('zoneHelper')) {
         JLoader::register('zoneHelper', $path);
         JLoader::load('zoneHelper');
     }
     $zoneHelper = new zoneHelper();
     return $zoneHelper->getTaxRules($taxprofile_id, $taxRule_id);
 }