California Code
ARTICLE 2 - General Provisions
Section 706.021.

706.021. Notwithstanding any other provision of this title, a levy of execution upon the earnings of an employee shall be made by service of an earnings withholding order upon the employer in accordance with this chapter.

(Added by Stats. 1982, Ch. 1364, Sec. 2. Operative July 1, 1983, by Sec. 3 of Ch. 1364.)