Georgia Code Title 34. Labor and Industrial Relations § 34-9-351

(A) Had the preexisting permanent impairment not been present, the subsequent injury would not have occurred;

(B) The disability resulting from the subsequent injury in conjunction with the preexisting permanent impairment is materially, substantially, and cumulatively greater than that which would have resulted had the preexisting permanent impairment not been present, and the employer has been required to pay and has paid compensation for that greater disability; or

(C) Death would not have been accelerated had the preexisting permanent impairment not been present.