CA Veh Code Section 11302.2

(a)

Every person licensed under this chapter shall report to the department every change of residence address within 10 days of the change.

(b)

Any person currently or previously licensed under this chapter who no longer resides 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 residence, unless the person has notified the department in writing of another address where service may be made.