Cal. Code Civ. Proc. § 2018.010 : CALIFORNIA CODE OF CIVIL PROCEDURE — MISCELLANEOUS PROVISIONS — CIVIL DISCOVERY ACT — ATTORNEY WORK PRODUCT — Client defined TEXT PDF For purposes of this chapter, "client" means a "client" as defined in Section 951 of the Evidence Code. Ca. Civ. Proc. Code § 2018.010 Added by Stats 2004 ch 182 (AB 3081),s 23, eff. 7/1/2005.