(a) Except as provided in section six of this article, no person may engage in business in this state as a motor vehicle salesperson on and after January 1, 2008, without holding a license issued under the provisions of this article.
(b) No class of vehicle dealer as defined in article six or six-c of this chapter may employ an unlicensed motor vehicle salesperson on or after January 1, 2008. No person may sell vehicles for more than one vehicle dealer unless the commissioner grants a written waiver.
(c) Any person employed by licensed dealers as a salesperson immediately preceding the effective date of this section is exempt from the requirements of the background investigation and the written test and payment of the fee for the background investigation provided in section four of this article.