Cal. Pub. Res. Code § 40402

The Department of Resources Recycling and Recovery may expend the money in any appropriation or in any special fund in the State Treasury made available by law for the administration of the statutes the administration of which is committed to the department, or for the use, support, or maintenance of any board, bureau, commission, department, office, or officer whose duties, powers, and functions have been transferred to and conferred upon the department. The department shall make those expenditures in accordance with law in carrying out the purposes for which the appropriations were made or the special funds created.