(A) An individual who was grandfathered as a primary qualifying party for a fire sprinkler contractor cannot qualify another fire sprinkler contractor if the grandfathered primary qualifying party leaves the employment of the entity in which he was the original primary qualifying party.

(B) A grandfathered primary qualifying party for a fire sprinkler contractor may change his or her organizational style of business, and the grandfathered primary qualifying party may continue to qualify the licensed fire sprinkler contractor.