California Code
ARTICLE 2 - Retention Payment
Section 8820.

8820. It is against public policy to waive the provisions of this article by contract.

(Added by Stats. 2010, Ch. 697, Sec. 20. (SB 189) Effective January 1, 2011. Operative July 1, 2012, by Sec. 105 of Ch. 697 and by Section 8052.)