When Interior Stays Silent: What Deemed Compact Approvals Mean

When the Department of the Interior publishes a Federal Register notice announcing that a tribal-state gaming compact or amendment has been approved by operation of law, it is reporting an absence rather than a decision: the department did not approve or disapprove within the time Congress allowed. Approval by operation of law has become a familiar outcome for compact amendments, and it deserves a closer look, because the mechanism shapes how tribes, states and investors can rely on the agreements that govern Class III gaming.

How the clock works

The Indian Gaming Regulatory Act, at 25 U.S.C. 2710(d)(8), gives the Secretary of the Interior 45 days to review a compact or amendment submitted by a tribe and state. If the Secretary takes no action, the compact is considered approved, but only to the extent it is consistent with IGRA, and the Secretary must publish notice in the Federal Register. The department's regulations at 25 CFR 293.4 make clear that the Secretary is responsible for reviewing and approving all compacts and amendments. Our explainer on the 45-day rule covers the basics.

A recent example is the Lac du Flambeau Band's 2025 amendment to its Wisconsin compact. A notice published March 10, 2026 states that the Secretary did not act within the review period, that the amendment is considered approved, and that it took effect that day. The amendment rewords the regulatory fee provision and the payment calculation in the disaster relief provision. We report the details in our news coverage of that notice. The same pattern appeared in a June 2025 notice for the Oneida Nation's Fourth Amendment, and in other recent filings we have covered, including the Squaxin Island seventh amendment.

The case for the mechanism

There are good reasons Congress built the default into the statute. The most important is certainty. Before IGRA, tribes seeking to negotiate with states had no guarantee that a federal agency would ever complete its review. A fixed clock with a default outcome prevents an agreement from languishing indefinitely, which protects both parties' investment of time and money. For tribes planning construction or financing, a predictable approval date can matter as much as the approval itself.

The default also reflects a division of labor. Compacts are negotiated between sovereigns, and the Secretary's role is limited. Disapproval is permitted only where the compact violates IGRA, violates another federal law that is not related to jurisdiction over Indian lands, or violates the trust obligations of the United States to Indians. Where the parties have agreed on a technical clarification, there is often little for the department to review on those grounds, and quiet passage of the clock is administratively efficient. Treating routine amendments this way leaves department staff time for more contested matters.

What deemed approval does not settle

The limits are equally important. The statutory phrase "to the extent consistent with IGRA" is not boilerplate; it means that a provision outside the scope of what IGRA permits does not become lawful by virtue of the department's silence. Provisions that purport to allocate jurisdiction in ways IGRA does not allow, or that impose payments the statute prohibits, can still be challenged. The deemed approval is a procedural fact, and it is not an affirmative legal review. Anyone relying on a deemed-approved amendment for a major financing or a major operational change should understand that distinction.

The second limit is informational. When the department affirmatively approves a compact, it usually leaves a record in the form of a decision letter that explains its reasoning, which can guide later drafters and courts. A deemed approval leaves only the Federal Register notice. For observers trying to understand how the department reads IGRA's provisions on revenue sharing, scope of gaming or the permissible uses of payments, silence offers no guidance. This is a particular concern for novel provisions, where parties may be most in need of reassurance.

The third limit concerns scrutiny of the state-tribal bargain. Critics of the default, including some tribal members and state legislators, have argued over the years that automatic approval can allow terms to take effect without public debate. Supporters respond that the public process occurs at the negotiation and ratification stage, where governors, legislatures and tribal councils have their own approval roles, a subject we examine in who ratifies a compact. Both views have merit, and the trade-off is inherent in the design.

Reading the notices carefully

For industry readers, the practical lesson is to read these notices closely. The Federal Register entries are short, and they typically describe an amendment in a sentence or two. The substance is in the compact text, which is available from the tribe, the state or the department's compact library. Our guide to reading a Federal Register compact notice explains the elements to look for: the parties, the effective date, the statutory basis, the qualifier language and the contact office.

It is also worth watching for how often deemed approval is the outcome, since the frequency can reflect both the routine nature of filings and the capacity of the reviewing office. As the department manages other responsibilities, the 45-day default ensures that tribal-state agreements keep moving. That is a feature as long as the agreements submitted are uncontroversial and consistent with the statute. Where they are not, the department retains the power to act within the window, and courts remain available afterward.

In short, silence is a legitimate way for a compact amendment to take effect, and it has served tribes and states well for routine matters. But it is a procedural device, not an endorsement, and parties, investors and analysts do best when they treat it as precisely that.