California Code, Business and Professions Code - BPC § 6157.5

(a) All advertisements published, distributed, or broadcasted by or on behalf of a licensee seeking professional employment for the licensee in providing services relating to immigration or naturalization shall include a statement that he or she is an active licensee of the State Bar, licensed to practice law in this state. If the advertisement seeks employment for a law firm or law corporation employing more than one attorney, the advertisement shall include a statement that all the services relating to immigration and naturalization provided by the firm or corporation shall be provided by an active licensee of the State Bar or by a person under the supervision of an active licensee of the State Bar. This subdivision shall not apply to classified or “yellow pages” listings in a telephone or business directory of three lines or less that state only the name, address, and telephone number of the listed entity.

(b) If the advertisement is in a language other than English, the statement required by subdivision (a) shall be in the same language as the advertisement.

(c) This section shall not apply to licensees employed by public agencies or by nonprofit entities registered with the Secretary of State.

(d) A violation of this section by a licensee shall be cause for discipline by the State Bar.