(a) As used in this Code section, the term "Georgia Hazardous Waste Management Authority" or "authority" means the Georgia Hazardous Waste Management Authority established by Article 4 of Chapter 8 of Title 12.

(b) Effective on July 1, 1990, or on first becoming officers or employees of the Georgia Hazardous Waste Management Authority, all officers and employees of the Georgia Hazardous Waste Management Authority shall become members of the retirement system. Any officer or employee of the authority who was already a member of the retirement system on July 1, 1990, and any member of the retirement system who, without any break in service, becomes an officer or employee of the authority on or after July 1, 1990, shall continue in the same membership status without any interruption in membership service and without the loss of any creditable service. Except as otherwise provided in this subsection, any person becoming a member of the retirement system pursuant to the provisions of this Code section shall be subject to the provisions of Code Section 47-2-334.

(c) All employer contributions, including employee contributions made on behalf of members, which are required by this chapter shall be made for members who are subject to the provisions of this Code section from funds appropriated or otherwise available for the operation of the Georgia Hazardous Waste Management Authority. The authority shall deduct from the salaries payable to such members the additional employee contributions required by this chapter.