Business and Professions Code § 7598.53

An alarm agent who responds to an alarm system shall wear a prominently displayed patch or other designation which clearly identifies the name of the licensee. An alarm agent who carries a deadly weapon while responding to an alarm system shall wear a recognizable uniform with a prominently displayed patch or other designation which clearly identifies the name of the licensee. The uniform must be distinguishable from the uniforms worn by local regular law enforcement officers. A violation of this section may result in a fine of two hundred fifty dollars ($250) for each violation.