| Аргумент | Возможный тип | Описание |
| $tax_rate_id | — | — |
$tax_customer_group_data = array();
$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "tax_rate_to_customer_group WHERE tax_rate_id = '" . (int)$tax_rate_id . "'");
foreach ($query->rows as $result) {
$tax_customer_group_data[] = $result['customer_group_id'];
}
return $tax_customer_group_data;