California Code, Public Resources Code - PRC § 5096.137

There shall be an agreement or contract between the Department of Parks and Recreation and the applicant in the case of a state grant project which shall contain therein the provisions that the property so acquired or developed shall be used by the applicant only for the purpose for which the state grant funds were requested and that no other use of the area shall be permitted except by specific act of the Legislature.  No state grant funds shall be available for expenditure until such agreement has been signed.