A bill to declare that the United States holds certain Chilocco Indian School lands in trust for the Kaw, Otoe-Missouria, Pawnee, Ponca, and Tonkawa Indian Tribes of Oklahoma.
Public Law 99-283 · S. 1684 · 99th Congress · began in the Senate
Signed by Ronald Reagan (R) on May 1, 1986 · Native Americans
Sponsor: Sen. Don Nickles (R-OK)
Cosponsors (1): Sen. David Boren
Passage votes
- HouseVoice vote
- SenateVoice vote
Data notes
The final version of the law, as each chamber passed it. A chamber that passed it by voice vote or unanimous consent has no count. “Method not stated” means the record does not say how the chamber voted. Where the record has a member-by-member vote, the “Who voted for it” section shows who voted yea.
Summary
The Congressional Research Service’s plain-language summary of what the law does.
Requires the Secretary of the Interior to partition U.S. interests in the Chilocco Indian School Reserve among the Cherokee Nation of Oklahoma, and the Pawnee, Ponca, Otoe-Missouria, Kaw, and Tonkawa Tribes of Oklahoma. Declares that such interests (including mineral interests) shall be held in trust by the United States for the benefit of such tribes. Requires the Secretary to publish a description of such lands in the Federal Register.
Sets forth a formula for the division of income derived from the mineral interests in such lands. Authorizes the Cherokee Nation of Oklahoma to make decisions for all six tribes with respect to the mineral interests.
Sets forth a formula for the division and use of income derived from such lands which remains unobligated after the payment of maintenance costs (which have incurred prior to the enactment of this Act.)
Committees
The committees the bill was sent to, and what each did with it.

Indian Affairs Committee · Senate · hearings by (full committee), markup by, referred to, reported by
Data notes
A committee links to its page only where it exists in the current Congress; older and renamed committees are named without a link.
Timeline
From introduction to signing, newest first: the committees, the floor and the president. 13 actions.
- May 1, 1986Became lawBecame law · Became Public Law No: 99-283.
- Became lawBecame law · Signed by President.
- Apr 23, 1986PresidentPresident · Presented to President.
- Apr 21, 1986FloorFloor · Passed House by Voice Vote.
- Mar 20, 1986CommitteeCommittee · Reported by House Natural Resources Committee
- Feb 26, 1986CommitteeCommittee · Markup by House Natural Resources Committee
- Dec 6, 1985CommitteeCommittee · Referred to House Natural Resources Committee
- Dec 3, 1985FloorFloor · Passed Senate with an amendment by Voice Vote.
- Nov 18, 1985CommitteeCommittee · Reported by Senate Indian Affairs Committee
- Nov 7, 1985CommitteeCommittee · Markup by Senate Indian Affairs Committee
- Oct 23, 1985CommitteeCommittee · Hearings by Senate Indian Affairs Committee
- Sep 20, 1985CommitteeCommittee · Referred to Senate Indian Affairs Committee
- IntroducedIntroduced · Introduced in the Senate
Data notes
Shows the introduction, each committee and subcommittee step the source dates (referral, hearings, markup, report, discharge), and the floor, conference, presidential and became-law steps. Calendar placements, messages between the chambers, amendments and committee report numbers are not shown for laws before the 108th Congress. Two entries the source lists twice are shown once.
Official record
The bill’s full text and every action, including introduction and committee steps, are on Congress.gov. Data through Oct 7, 2026.