A person who submits satisfactory proof to the commissioner of actively engaging in full-time fire protection systems installation either as a fire protection contractor or journeyman sprinkler fitter for a period of five years before July 1, 1992, and who applies for a license or certificate within 60 days after July 1, 1992, is eligible for licensure or certification without examination for two years after July 1, 1992. A person who is exempt from examination for the two-year period, fulfills all other requirements under this chapter and under rules adopted under section 299M.04, and pays the required annual fee must be granted the appropriate license or certificate.