Section 121921 Of Chapter 4. Animal Control From California Health And Safety Code >> Division 105. >> Part 6. >> Chapter 4.

. No person shall sell, give away, or let for hire any guard, attack, or sentry dog unless the following requirements have been met:
  (a) The dog has been immunized against distemper and rabies.
  (b) A certificate of rabies vaccination has been issued by a licensed veterinarian and is current and valid.