Except as otherwise provided in this article, every person entering the employ of, or contracting with, a licensee or multiple licensee after the effective date of this article shall immediately complete an application for an initial registration or a reregistration and file the appropriate application with the chief within 15 working days after the commencement of employment or contracted services for the licensee or multiple licensee for whom the applicant is employed or contracted. Applicants for registration must be at least 18 years of age. An applicant who declares as true any material matter pursuant to this section that he or she knows to be false is guilty of a misdemeanor.