The persons eligible to receive such per capita payments shall be all persons who were living on , and whose names appear on any of the following:
(a) The membership roll of the Confederated Tribes as of , as approved by the Bureau of Indian Affairs on , or
(b) The supplemental membership roll as of , approved by the Bureau of Indian Affairs on , and also any other persons born after , and living on or at any time between , and , who were either enrolled as of , or became entitled to enrollment under section (b), article IV of the constitution and bylaws of the Confederated Tribes adopted , as determined by the Secretary of the Interior or his authorized representative.