It shall be unlawful for any watercraft salesman or watercraft demonstrator to engage in business in this Commonwealth as a watercraft salesman or watercraft demonstrator without first (i) completing successfully a basic boating safety education course approved by the Director or (ii) by December 31, 1998, passing a test approved by the Director; however, any watercraft salesman or demonstrator licensed after December 31, 1998, shall have a period of sixty days from the issuance of his license in which to complete the approved course.