Cal. Business and Professions Code § 7583.3

No person required to be registered as a security guard pursuant to this chapter shall do any of the following: (a) Fail to carry on their person, while on duty, a valid and current security guard registration card, or if pending receipt of the registration card after the bureau’s approval, a hardcopy printout of the approved security guard registration information from the bureau’s internet website and a valid picture identification pursuant to Section 7583.17. (b) Fail to carry on their person when carrying a firearm on duty either a valid and current firearms permit, or if pending receipt of the permit after the bureau’s approval, a hardcopy printout of the approved firearms permit information from the bureau’s internet website and a valid picture identification pursuant to Section 7583.12. (c) Carry or use a firearm unless they possess a valid and current firearms permit that is associated with a valid and current security guard registration issued pursuant to this chapter. (d) Fail to report to their employer within 24 hours of the incident the circumstances surrounding any incident involving the discharge of any firearm in which they are involved while acting within the course and scope of their employment. (e) Carry or use a firearm or baton, as authorized by this chapter, unless the security guard is an employee of a private patrol operator licensee or an employee of the state or a political subdivision of the state.