California Code, Welfare and Institutions Code - WIC § 4561

(a) A state plan shall be prepared by the state council not less often than once every five years, and shall be reviewed and revised, as necessary, on an annual basis. All references in this part to “state plan” shall be references to the state plan described by Public Law 106-402 (42 U.S.C. Sec. 15001 et seq.).

(b) The state plan shall include, but not be limited to, all state plan requirements contained in subtitles A and B of Title I of Public Law 106-402 (42 U.S.C. Sec. 15001 et seq.), or requirements established by the United States Secretary of Health and Human Services.