In this subchapter:

((1)) ** .—** The term “Advisory Board” means the National Park Service Concessions Management Advisory Board established under .

((2)) ** .—** The term “preferential right of renewal” means the right of a concessioner, subject to a determination by the Secretary that the facilities or services authorized by a prior contract continue to be necessary and appropriate within the meaning of , to match the terms and conditions of any competing proposal that the Secretary determines to be the best proposal for a proposed new concession contract that authorizes the continuation of the facilities and services provided by the concessioner under its prior contract.