Every person licensed, registered, or designated under this chapter, who in the course of his or her employment carries a firearm, shall complete a course of training in the carrying and use of firearms and shall receive a firearms qualification card prior to the carrying of such a firearm and shall complete a course in the exercise of the powers to arrest. A registration card issued by the bureau pursuant to Section 7598.14 may also serve as a firearms qualification card if so indicated on the face of the card.