California Code, Government Code - GOV § 12803

(a) The California Health and Human Services Agency consists of the following departments:  Aging; Community Services and Development; Developmental Services; Health Care Services; Managed Health Care; Public Health; Rehabilitation; Social Services; and State Hospitals.

(b) The agency also includes the Center for Data Insights and Innovation, the Emergency Medical Services Authority, the Office of Statewide Health Planning and Development, the Office of Technology and Solutions Integration, the Office of Law Enforcement Support, the Office of the Surgeon General, the Office of Youth and Community Restoration, and the State Council on Developmental Disabilities.

(c) The Department of Child Support Services is hereby created within the agency and is the single organizational unit designated as the state's Title IV-D agency with the responsibility for administering the state plan and providing services relating to the establishment of paternity or the establishment, modification, or enforcement of child support obligations as required by Section 654 of Title 42 of the United States Code.  State plan functions shall be performed by other agencies as required by law, by delegation of the department, or by cooperative agreements.

(d) This section shall become operative on July 1, 2021.