Miami Tribe gets one year to sue over 1805 Illinois land treaty.
S. 550 — A bill to provide for the equitable settlement of certain Indian land disputes regarding land in Illinois, and for other purposes. · Filed by Markwayne Mullin (R-OK) · 1 cosponsor · Introduced Feb 12, 2025 · Passed both chambers
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What it does
The bill lets the Miami Tribe of Oklahoma file one lawsuit in federal court. The lawsuit is about land promised in an 1805 treaty. The tribe has one year to file. If the tribe sues, it gives up all other land claims in Illinois forever.
Who it affects
The Miami Tribe of Oklahoma must decide whether to sue or give up all claims. Illinois residents and the federal government will have no more land disputes later.
One thing to notice
The tribe must file within 12 months or lose the right to sue forever. The bill does not say what the court can award if the tribe wins.
From the analysis of the bill text, linked under Primary records below.
Where it stands
1 cosponsor: 1 Democrats.
- Feb 12, 2025 — Introduced · Congress.gov: “Introduced in Senate”
- Feb 12, 2025 — Referred to Senate Committee on Indian Affairs · Congress.gov: “Read twice and referred to the Committee on Indian Affairs”
- Mar 5, 2025 — Reported out of committee · Congress.gov: “Committee on Indian Affairs. Ordered to be reported without amendment favorably”
- Dec 15, 2025 — Passed the Senate · Congress.gov: “Passed Senate without amendment by Unanimous Consent. (consideration: CR S8747; text: CR S8747)”
- Sep 14, 2026 — Passed both chambers · Congress.gov: “On motion to suspend the rules and pass the bill Agreed to by voice vote”
- Sep 14, 2026 — Floor vote scheduled · Congress.gov: “Mr. Westerman moved to suspend the rules and pass the bill”
Dates and quoted wording are Congress.gov's action record; the timeline shows status changes, not every procedural step.
Money around this bill
3 groups reported lobbying about this bill. They filed 6 reports from Dec 2025 to Jun 2026.
Those reports show $310,000 in lobbying spending. Each report lists about 11 bills. So that money was not all for this bill.
More groups named this bill than 61% of bills with any report.
Markwayne Mullin, who sponsored the bill, received $995,256 from PACs for the 2026 election.
- Boyd Gaming Corporation — $120,000 in 2 reports
- Boyd Gaming Corporation — $120,000 in 2 reports
- Ho-chunk Nation Legislature — $70,000 in 2 reports
Lobbying is legal. These reports show who lobbied about this bill, not what changed.
Words to know
- treaty — A written agreement between the U.S. government and a Native American tribe.
- federal court — A court run by the U.S. government that handles certain types of cases.
- lobbying — Trying to influence lawmakers about a bill. Companies and groups pay people to do this.
- PACs — Groups that collect money and give it to candidates for office.
- sponsored — To sponsor a bill is to introduce it in Congress and put your name on it.
How this was measured
Analysis — Quorum's AI read the bill text published by Congress.gov (1,721 characters) on Jul 25, 2026. Section numbers in the findings refer to that text, linked below; transparency and hidden-provision scores are compared against the median of 14,206 analysed bills.
Status and sponsors — Congress.gov's bill record — actions, committee referrals and cosponsors — loaded nightly. The timeline shows status changes, not every procedural action.
Money — Senate Lobbying Disclosure Act filings whose specific-issue field names this bill for quarters ending Dec 2025 to Jun 2026. A filing's amount is reported whole beside the median number of bills a filing names; it is never divided across them. PAC receipts are FEC-reported contributions to the sponsor's candidate committee in the 2026 cycle.
As of — lobbying records through Jul 19, 2026 · page rendered 2026-09-17.
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