If, after investigation, the inspector finds that the certificate or permit should not have been issued to the child under the provisions of this chapter, then he or she shall: (1) Deliver the certificate or permit to the person who issued it; (2) Order it to be cancelled; and (3) Notify the employer that the child must no longer be employed. Every employer or proprietor or manager of any factory or manufacturing or business establishment who continues to employ the child after receiving the notice from any compliance inspector shall be deemed guilty of a misdemeanor, and upon conviction shall be subject to the penalty imposed by § 28-3-20.