An order to pay support under this subtitle is a lien on the earnings of the accused individual. The court shall send a certified copy of each order that establishes a lien on earnings to the appropriate support enforcement agency. The support enforcement agency shall notify the individual’s employer of the lien. On receipt of notice of the lien from the support enforcement agency, the employer shall: on a regular basis, deduct the amount of the lien from the individual’s earnings; and send the deducted amount to the support enforcement agency.