(1) the term tribe means the Confederated Tribes of Siletz Indians of Oregon;

(2) the term Secretary means the Secretary of the Interior or his authorized representative;

(3) the term Interim Council means the council elected pursuant to section 711c of this title;

(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 711b of this title; and

(5) the term final membership roll means the final membership roll of the tribe published on July 20, 1956, on pages 54545462 of volume 21 of the Federal Register.