25 U.S. Code § 1776g - Applicability
(a) In general
This subchapter shall take effect upon the occurrence of the following conditions:
(3) The Settlement Agreement and the releases and waivers required by section 1776c of this title are approved and duly executed by the Crow Tribe in accordance with the requirements and procedures set forth in the constitution of the Crow Tribe.
(b) Approval of releases and waivers
The United States hereby approves and confirms the releases and waivers required by section 1776c of this title.