The OIRA regulatory review process is how the Office of Information and Regulatory Affairs, a unit inside the Office of Management and Budget, screens draft federal rules before they take effect. Executive branch agencies must send OIRA any rule considered “significant,” along with a cost-benefit analysis, and OIRA has a fixed window to clear it, negotiate changes, or send it back. The framework comes from Executive Order 12866, issued in 1993, and it still shapes almost every consequential regulation that reaches businesses and individuals today.1National Archives and Records Administration. Executive Order 12866 of September 30, 1993 – Regulatory Planning and Review
What Makes a Rule “Significant”
Only significant rules go to OIRA. A rule qualifies if it could have an annual economic effect of $100 million or more, create a conflict with another agency’s actions, materially alter the budgetary impact of entitlements or grant programs, or raise novel legal or policy questions.2US EPA. Summary of Executive Order 12866 – Regulatory Planning and Review The economic threshold was briefly raised to $200 million by Executive Order 14094 in 2023, but that order was revoked in January 2025, restoring the $100 million figure.3The White House. Initial Rescissions of Harmful Executive Orders and Actions
When a rule crosses the line, the agency must prepare a Regulatory Impact Analysis. That document identifies the problem the agency is trying to solve, walks through the alternatives it considered, and shows that the chosen approach delivers benefits worth its costs. OIRA staff test whether that math holds up and whether the statute the agency cites actually authorizes what the rule does.1National Archives and Records Administration. Executive Order 12866 of September 30, 1993 – Regulatory Planning and Review
The methodology for that cost-benefit analysis comes from OMB Circular A-4. A 2025 executive order on deregulation reinstated the 2003 version of Circular A-4, replacing an updated 2023 version, and also barred agencies from issuing regulations not already listed in the most recent Unified Regulatory Agenda without written approval from the OMB Director.4Federal Register. Unleashing Prosperity Through Deregulation
The Review Timeline
Once an agency formally submits a significant rule, OIRA has 90 calendar days to complete review. If OIRA already reviewed the rule at the proposed stage and nothing material has changed by the final stage, the clock shortens to 45 days. Preliminary items like advance notices of proposed rulemaking get a 10-working-day turnaround. The OMB Director may grant one extension of up to 30 additional days, and the agency head can also request more time.1National Archives and Records Administration. Executive Order 12866 of September 30, 1993 – Regulatory Planning and Review
Most rules go through OIRA twice: once when the agency issues the proposed rule for public comment, and again when the agency is ready to finalize it. That double pass is why public meetings and outside submissions matter at both stages, not just at the end.
How OIRA Reviews End
A review closes in one of a few ways. The cleanest outcome is “consistent without change,” meaning the rule passed review untouched. More common is “consistent with change,” where the back-and-forth between OIRA and the agency produced edits before clearance. The agency can also withdraw the rule voluntarily, which sometimes happens when the negotiation runs into an impasse the agency would rather revisit later than lose outright.
Return Letters
The most consequential outcome is a formal return. In a return letter, the OIRA Administrator sends the rule back for further work. A return doesn’t necessarily mean OIRA opposes the policy. It signals that the supporting analysis is inadequate, the approach isn’t justified by the data, the rule conflicts with the President’s priorities, or it clashes with another executive order or statute. The letter spells out what OIRA thinks the agency should reconsider.5Reginfo.gov. OIRA Return Letters This is where most quiet regulatory disputes play out.
Prompt Letters
Prompt letters run the other direction. Rather than responding to an agency submission, OIRA initiates contact and suggests a specific regulatory issue the agency should take up.6Reginfo.gov. OIRA Prompt Letters Agencies aren’t legally required to act on them, but suggestions from the office that reviews all your rules tend to land with weight.
Which Agencies Go Through OIRA Review
Executive Order 12866 applies to executive branch agencies. It defines “agency” through the Paperwork Reduction Act and then expressly excludes independent regulatory agencies.1National Archives and Records Administration. Executive Order 12866 of September 30, 1993 – Regulatory Planning and Review So the Securities and Exchange Commission, the Federal Communications Commission, the Federal Trade Commission, and other independent bodies issue rules without OIRA review. If you’re tracking a rule from one of those agencies expecting to see an OIRA docket entry, you won’t find one. Some of the highest-stakes rules in finance, telecommunications, and consumer protection sit entirely outside this process.
Public Participation During Review
While OIRA has a rule in hand, any member of the public can request a meeting with OIRA staff to discuss it. These are known as 12866 meetings, after the executive order.7Office of Information and Regulatory Affairs. How To Guide for E.O. 12866 Meetings Because most significant rules are reviewed twice, there are typically two windows to request one. Trade associations, consumer groups, and individual companies use these meetings to argue their case directly to the reviewers.
Everything about those meetings goes on the record. OIRA discloses the subject, date, and participants of every meeting, along with any written materials or data submitted by outside parties, and posts the information on RegInfo.gov.8RegInfo.gov. EO 12866 Meeting Request The transparency rules exist to prevent back-channel lobbying. Hand OIRA a study arguing an emissions rule would cost billions more than the agency projects, and that study becomes public.
Tracking Rules Through the Pipeline
Twice a year, OIRA publishes the Unified Agenda of Federal Regulatory and Deregulatory Actions, a catalog of every rule under development across roughly 60 federal departments, agencies, and commissions.9Reginfo.gov. About the Unified Agenda The fall edition also carries the Regulatory Plan, in which agencies lay out their highest-priority actions for the coming year.
The Agenda is searchable on RegInfo.gov and sorts actions by status: active rules under development, long-term actions not expected to move within 12 months, completed rules, and inactive items no longer being pursued. Editions run back to 1995.10RegInfo.gov. Unified Agenda of Regulatory and Deregulatory Actions For anyone watching a specific regulation, the Agenda is the best single tool for seeing where it sits, whether it’s advancing, stalled, or dropped. The Regulatory Flexibility Act also requires agencies to use the Agenda to flag rules that could significantly affect small businesses.
If you want to see whether a particular rule is at OIRA right now, RegInfo.gov also lists every rule currently under review, the date OIRA received it, and the agency that authored it. Combined with the meeting-request process and the disclosure of outside submissions, that public record is what lets anyone follow a rule from proposal through final clearance.