If a majority of the adult members of any of the following Rancherias at Resighini, Trinidad, or Big Lagoon, vote to merge with the Yurok Tribe in an election which shall be conducted by the Secretary within ninety days after October 31, 1988, the tribes and reservations of those rancherias so voting shall be extinguished and the lands and members of such reservations shall be part of the Yurok Reservation with the unallotted trust land therein held in trust by the United States for the Yurok Tribe: Provided, however, That the existing governing documents and the elected governing bodies of any rancherias voting to merge shall continue in effect until the election of the Interim Council pursuant to section
1300i–8 of this title. The Secretary shall publish in the Federal Register a notice of the effective date of the merger.