Cal. Gov. Code § 12428

In the event either the Governor or the Legislature should obtain federal approval to transfer programs receiving federal support for persons who have an intellectual disability or mental disorder from one state department to another state department under the provisions of Public Law 90-577 (Intergovernmental Cooperation Act of 1968), the Controller shall, upon approval of the Director of Finance, transfer to a department designated by the Governor the parts of the appropriation of the other departments that are related to programs for persons who have an intellectual disability or mental disorder, provided further, that the transfer shall enable the state to make maximum utilization of available state and federal funds.