25 U.S. Code § 941f - Transitional and provisional government
(a) Future tribal government
The Tribe shall adopt a new constitution within 24 months after the effective date of this subchapter.
(b) Executive Committee as transitional body
(1) Until the Tribe has adopted a constitution, the existing tribal constitution shall remain in effect and the Executive Committee is recognized as the provisional and transitional governing body of the Tribe. Until an election of tribal officers under the new constitution, the Executive Committee shall—
(2) Until the initial election of tribal officers under a new constitution and bylaws, the Executive Committee shall—
(A) determine tribal membership in accordance with the provisions of section 941e of this title; and