California Code, Welfare and Institutions Code - WIC § 5891.5

(a)(1) The programs in paragraphs (1) to (3), inclusive, and paragraph (5) of subdivision (a) of Section 5890 may include substance use disorder treatment for children, adults, and older adults with cooccurring mental health and substance use disorders who are eligible to receive mental health services pursuant to those programs. The MHSA includes persons with a serious mental disorder and a diagnosis of substance abuse in the definition of persons who are eligible for MHSA services in Sections 5878.2 and 5813.5, which reference paragraph (2) of subdivision (b) of Section 5600.3.

(2) Provision of substance use disorder treatment services pursuant to this section shall comply with all applicable requirements of the Mental Health Services Act.

(3) Treatment of cooccurring mental health and substance use disorders shall be identified in a county's three-year program and expenditure plan or annual update, as required by Section 5847.

(b)(1) When a person being treated for cooccurring mental health and substance use disorders pursuant to subdivision (a) is determined to not need the mental health services that are eligible for funding pursuant to the MHSA, the county shall refer the person receiving treatment to substance use disorder treatment services in a timely manner.

(2) Funding established pursuant to the MHSA may be used to assess whether a person has cooccurring mental health and substance use disorders and to treat a person who is preliminarily assessed to have cooccurring mental health and substance use disorders, even when the person is later determined not to be eligible for services provided with funding established pursuant to the MHSA.

(1) The number of people assessed for cooccurring mental health and substance use disorders.

(2) The number of people assessed for cooccurring mental health and substance use disorders who were ultimately determined to have only a substance use disorder without another cooccurring mental health condition.

(e)(1) Notwithstanding Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2 of the Government Code, the department may implement, interpret, or make specific this section by means of plan or county letters, information notices, plan or provider bulletins, or other similar instructions, without taking any further regulatory action.

(2) On or before July 1, 2025, the department shall adopt regulations necessary to implement this section in accordance with the requirements of Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2 of the Government Code.