(4) the term “member”, when used with respect to the tribe, means a person enrolled on the membership roll of the tribe, as provided in section 763 of this title; and
(5) the term “final membership roll” means the final membership roll of the tribe published on , on pages 2499 through 2503 of volume 20 of the Federal Register and on , on pages 2453 through 2456 of volume 21 of the Federal Register.