California Code, Business and Professions Code - BPC § 7582.21

(a) A licensee shall not advertise or conduct business from any location other than that shown on the records of the bureau as their principal place of business unless they have received a branch office certificate for the location after compliance with the provisions of this chapter and any additional requirements necessary for the protection of the public as the director may by regulation prescribe.  A licensee shall notify the bureau in writing within 10 days after closing or changing the location of a branch office.

(b) The director may assess a fine of five hundred dollars ($500) for the first violation of subdivision (a) and one thousand dollars ($1,000) for each violation thereafter.

(c) The branch office certificate shall be posted below the private patrol operator's license.  The qualified manager certificate shall be posted below the branch office certificate.

(d) This section shall become operative on January 1, 2025.