Who Ratifies a Tribal-State Gaming Compact? Governors, Legislatures, Interior
A compact is signed by a governor but rarely finished there. The path from signature to effective date varies by state, and a federal clock runs at the end.
A tribal-state gaming compact is the agreement that makes Class III gaming, the category that includes slot machines and banked table games, lawful on Indian lands under the Indian Gaming Regulatory Act. Because compacts are negotiated between sovereigns, the road to ratification involves several decision-makers: the tribe, the state's governor, sometimes the state legislature, and finally the Secretary of the Interior. This explainer sets out who does what, with recent examples from 2026.
Step one: tribal approval and the governor's signature
A compact begins with negotiation between tribal and state representatives. IGRA requires states to negotiate in good faith, and the tribe's governing body must approve any agreement under its own laws. On the state side, the governor is usually the signatory, though who may negotiate and sign is a matter of state law. Our overview of how compact amendments work describes the negotiation stage in more detail.
A governor's signature does not always complete the state's role. Some states treat compacts as executive agreements, while others require legislative action. The distinction can decide how much time a compact takes, how much public debate it attracts, and how much leverage various parties have.
Step two: state legislative ratification where required
California offers a clear example of legislative ratification. In September 2026, Governor Gavin Newsom signed four bills ratifying tribal gaming compacts, according to reporting by Gambling.com. AB 2173 ratifies an amendment to the Agua Caliente Band of Cahuilla Indians' compact, extending it through December 31, 2061 and allowing up to 500 additional gaming machines; our report covers the Agua Caliente amendment. AB 2539 ratifies a new Yurok Tribe compact replacing a 1999 agreement, with up to 349 gaming devices across as many as three venues, detailed in our piece on the Yurok compact. SB 542 ratifies amendments to the Santa Ynez Band of Chumash Indians' compact, and SB 1235 ratifies a fifth amendment for the Picayune Rancheria of Chukchansi Indians and a first compact with the Fort Mojave Indian Tribe. In California, then, a compact negotiated by the governor still has to become a statute before it advances.
Other states handle the step differently. In Washington, for example, compact amendments have been adopted through agreements between the tribe and the governor's office, followed by federal review, as seen in our coverage of the Squaxin Island seventh amendment. Oklahoma uses a model compact that tribes can adopt, described in our Oklahoma model compact explainer. Because the rules differ so widely, a headline reading "compact signed" can describe very different stages of progress depending on the state.
Step three: the Interior Department's 45-day review
Once a compact or amendment is executed, it is submitted to the Secretary of the Interior, who has 45 days to approve or disapprove it. IGRA lists limited grounds for disapproval: violation of the statute, other federal law, or the federal trust obligations to Indians. If the Secretary takes no action within 45 days, the compact is considered approved, but only to the extent it is consistent with IGRA. This is the "approval by operation of law" path, explained in our 45-day explainer. The Stillaguamish Tribe's Washington compact reached this status in October, as we reported in our account of the Stillaguamish deemed approval.
Step four: the Federal Register notice
A compact takes effect only when the Secretary publishes notice of approval in the Federal Register. The notice tells the public the compact is in force. Notices also announce extensions, such as the one that moved a compact's expiration date to December 21, 2026, which we covered in our extension report. Our guide to reading a Federal Register compact notice shows how to identify the tribe, state, and effective terms.
Why the sequence matters
For tribes, the sequence affects when machines can be added, when new revenue-sharing terms begin, and when financing can close. Lenders and developers commonly want a compact in force before committing capital, so delays at any stage carry cost. For states, ratification is the moment when legislatures weigh policy questions, such as revenue sharing, exclusivity, and local mitigation. California's recent compacts have drawn attention for how they treat revenue sharing, as discussed in our analysis of revenue-sharing-free compacts.
The process can also be disrupted. Courts have been asked to review compacts and related approvals, and litigation can delay or complicate implementation. Our analysis of compact extensions as stopgaps shows how tribes and states use short-term extensions when negotiations outlast an expiring agreement.
The central lesson is that a compact is a chain, not a single act. Readers tracking a specific agreement should ask which link has been completed: tribal approval, gubernatorial signature, legislative ratification where required, federal review, and Federal Register publication. The Legal Guide provides the statutory background, and the California and Oklahoma state hubs show how different states apply these steps.