Cal. Gov't Code § 6206
(a) An adult person, a parent or guardian acting on behalf of a minor, or a guardian acting on behalf of an incapacitated person, who is domiciled in California, may apply to the Secretary of State to have an address designated by the Secretary of State serve as the person’s address or the address of the minor or incapacitated person. An application shall be completed in person at a community-based victims’ assistance program or a community-based assistance program that serves victims of elder or dependent adult abuse pursuant to the Elder Abuse and Dependent Adult Civil Protection Act (Chapter 11 (commencing with Section 15600) of Part 3 of Division 9 of the Welfare and Institutions Code). The application process shall include a requirement that the applicant meet with a victims’ assistance counselor and receive orientation information about the program. The Secretary of State shall approve an application if it is filed in the manner and on the form prescribed by the Secretary of State and if it contains all of the following:
(1) A sworn statement by the applicant that the applicant has good reason to believe both of the following:
(2) If the applicant alleges that the basis for the application is that the applicant, or the minor or incapacitated person on whose behalf the application is made, is a victim of domestic violence, sexual assault, stalking, human trafficking, child abduction, or elder or dependent adult abuse, the application may be accompanied by evidence, including, but not limited to, any of the following:
(5) A designation of the Secretary of State as agent for purposes of service of process and for the purpose of receipt of mail.