California Code, Health and Safety Code - HSC § 11797

(a) Funds allocated to the county pursuant to this part shall be used exclusively for county alcohol and other drug services as identified in the contract for alcohol and other drug services and shall be separately identified and accounted for.

(b) The funds contained in each county's Behavioral Health Subaccount of the Support Services Account of the Local Revenue Fund 2011 established pursuant to Section 30025 of the Government Code shall be considered state funds distributed by the principle state agency for the purposes of receipt of the federal block grant funds for prevention and treatment of substance use disorders described in Subchapter XVII of Chapter 6A of Title 42 of the United States Code to the extent that these funds are used for authorized alcohol and drug prevention and treatment activities.