(a) A certification fee of not more than fifteen dollars ($15) shall be paid by each individual satisfactorily completing the program prior to the receipt of a certificate.

(b) The commissioner shall furnish to each individual satisfactorily completing the program, an appropriate wallet or billfold size copy of the certificate, which shall include a photograph of the individual thereon.

(c) Every certified individual shall carry his wallet or billfold size certificate on his person as identification during the time when he is on duty or going to and from duty and carrying a lethal weapon.

(d) Certification shall be for a period of five years.

(e) Privately employed agents who, as an incidence to their employment, carry a lethal weapon shall be required to renew their certification within six months prior to the expiration of their certificate. The commissioner shall prescribe the manner in which the certification shall be renewed, and may charge a nominal renewal fee therefore, not to exceed fifteen dollars ($15).