California Code, Health and Safety Code - HSC § 11841

(a) It is the intent of the Legislature that all programs funded under this part shall be partially self-supporting by raising revenues in addition to the funds allocated by the department. These revenues may include, but are not limited to, fees for services, private contributions, grants, or other governmental funds. These revenues shall be used in support of additional alcohol and other drug services or facilities.

(b) Each program funded under this part, which program provides alcohol and other drug services to individuals and their families, shall assess fees to participants in the programs. The fee requirement shall not apply to prevention and early intervention activities.

(c) Each county shall identify in its annual cost report the types and amounts of revenues raised by all the providers of services funded under this part.