Ala. Code § 15-18-146: Employment Income Withholding Order - Service.

(a) A copy of any order issued pursuant to the provisions of this article shall be served by the clerk of the court wherein such order was issued or by another person designated by such court.

(b) A copy of any order issued pursuant to the provisions of this article may be served by certified mail, return receipt requested. When served by certified mail, return receipt requested, the actual cost thereof shall be taxed or assessed against the defendant at the time such order is issued.