California Code, Health and Safety Code - HSC § 18058.1

(a) Any manufacturer or dealer licensed under this part that has closed its place of business, or any salesperson licensed under this part no longer residing at the address last filed with the department, may be served with process issued pursuant to Chapter 5 (commencing with Section 11500) of Part 1 of Division 3 of Title 2 of the Government Code by registered mail at that place of business in the case of a manufacturer or dealer, or at the last address filed with the department in the case of a salesperson, unless the manufacturer, dealer, or salesperson has notified the department in writing of another address where service may be made.

(b) This section shall apply to any manufacturer, dealer, or salesperson who is licensed under this part or whose license is renewed under this part, on or after the effective date of this section.