(a) In this section, "severance pay" means income paid on termination of employment in addition to the employee's usual earnings from the employer at the time of termination.
(b) An employer receiving an order or writ of withholding under this chapter shall withhold from any severance pay owed an obligor an amount equal to the amount the employer would have withheld under the order or writ if the severance pay had been paid as the obligor's usual earnings as a current employee.
(c) The total amount that may be withheld under this section is subject to the maximum amount allowed to be withheld under Section 158.009.