Cal. Welf. & Inst. Code § 5704

Funds described in paragraphs (1) and (2) of subdivision (a) of Section 5700 shall be deposited in the mental health account of the local health and welfare trust fund and shall only be used to fund expenditures for the costs of mental health services as delineated in regulations promulgated by the department, and shall not be used to fund expenditures for costs excluded by Section 5714 or for costs specifically excluded from funding from this source by any other provision of law.