Cal. Fin. Code § 12301.1
A licensee within 10 days after establishing a mobile unit, a branch office or agency location shall notify the commissioner in writing and shall furnish the commissioner with the name and address of each such branch office or agency location and the California state registration number or other identification of the mobile unit and the area in which it proposes to operate such mobile unit and such other information as the commissioner may require so that he may be continuously advised of every location at which checks, drafts, or money orders of the licensee are being sold or issued. Within five days after the termination of a mobile unit, a branch office or agency location a licensee shall inform the commissioner of the name and address of the branch office or agency location terminated and the California state registration number or other identification of the mobile unit terminated, together with a statement of the reasons for the termination.
Ca. Fin. Code § 12301.1