Withholding from Earnings for Child Support · Rights and Duties of Employer
An employer shall begin to withhold income in accordance with an order or writ of withholding not later than the first pay period following the date on which the order or writ was delivered to the employer and shall continue to withhold income as required by the order or writ as long as the obligor is employed by the employer.
Official text of the Texas Family Code as published by the Texas Legislative Council.