(a) As used in this Code section, the term "product seller" means a person who, in the course of a business conducted for the purpose leases or sells and distributes; installs; prepares; blends; packages; labels; markets; or assembles pursuant to a manufacturer's plan, intention, design, specifications, or formulation; or repairs; maintains; or otherwise is involved in placing a product in the stream of commerce. This definition does not include a manufacturer which, because of certain activities, may additionally be included within all or a portion of the definition of a product seller.

(b) For purposes of a product liability action based in whole or in part on the doctrine of strict liability in tort, a product seller is not a manufacturer as provided in Code Section 51-1-11 and is not liable as such.

(c) Nothing contained in this Code section shall be construed to grant a cause of action in strict liability in tort or any other legal theory or to affect the right of any person to seek and obtain indemnity or contribution.

(d) This Code section shall apply to all causes of action accruing on or after July 1, 1987.