The following definitions apply in this Article:
(1) "Commission" means the Roanoke River Basin Bi-State Commission.
(2) "Roanoke River Basin" or "Basin" means that land area designated as the Roanoke River Basin by the North Carolina Department of Environmental Quality pursuant to G.S. 143-215.8B and the Virginia State Water Control Board pursuant to Code of Virginia § 62.1-44.38.