How Long Is a Federal Comment Period?
RegWatch emails you the moment a matching regulation posts. Start a free watch.
The short answer
There is no single federal comment-period length. Many comment periods are 30, 60, or 90 days, but the exact deadline is set in the Federal Register document and the agency docket.
For a proposed rule, the agency gives the deadline in the Dates section of the Federal Register document. The Federal Register's rulemaking guide says agencies generally specify 30 to 60 days, although the period can vary and complex rulemakings can allow longer. Regulations.gov's public comment guide describes 60 days after a proposed rule as a typical window, but some dockets are shorter or longer.
The Administrative Procedure Act requires agencies to give interested people an opportunity to participate in many rulemakings, but it does not create one universal 30-day or 60-day comment period for every federal action. If you are affected by a rule, do not rely on an average. Open the Federal Register page, check the Dates section, then confirm the docket on Regulations.gov or follow the comment instructions listed under Addresses.
What changes the length
The period depends on the document type, the agency, the legal authority, and the complexity of the issue.
- Proposed rules: these are the usual notice-and-comment rulemaking documents. The public can submit data, arguments, and views before the agency decides whether and how to finalize the rule.
- Significant or complex rules: agencies often allow 60 days or more, especially when a rule is broad, technical, costly, or likely to draw a large record.
- Routine or narrow rules: a 30-day period is common, but the agency still needs to follow the statute, its own procedural rules, and any explanation required for the action.
- Notices: some notices ask for public comment too, such as information collections, draft guidance, permits, hearings, or policy requests. Their deadlines are document-specific.
- Final rules: final rules usually announce what the agency has adopted and list an effective date. They usually are not the main public-comment window, although interim final rules and direct final rules may request comments after publication.
Agencies can extend or reopen a comment period. That usually happens through a later Federal Register document, often after stakeholders ask for more time or the agency decides it needs a fuller record.
Comment deadline vs effective date
A comment deadline is not the same thing as the date a rule becomes binding.
The comment period is the window for submitting views to the agency. The effective date is when a final rule starts to apply. A proposed rule is not codified in the Code of Federal Regulations just because it appears in the Federal Register. If the agency later issues a final rule, the final rule usually explains the agency's response to significant comments, states the effective date, and amends the CFR text.
This distinction matters because a common 30-day rule applies to many final-rule effective dates, not to every public-comment period. If the comment deadline has passed, you may have missed the main chance to influence the rule. If the effective date is still in the future, you may still have time to prepare for compliance, but that is different from commenting.
How to find the exact deadline
The reliable method is simple: use the Federal Register document and the official docket, not a search snippet.
- Search the topic or agency on FederalRegister.gov.
- Open the proposed rule or notice and read the Dates section.
- Use the Submit a Formal Comment button, if present, or follow the Addresses section.
- Confirm the docket on Regulations.gov, especially if the agency has extended, reopened, or corrected the deadline.
- Start a free RegWatch watch so new matching rules and comment deadlines are emailed to you.
If a deadline is unclear, treat the Federal Register document and the agency docket as the official sources. FederalRegister.gov itself warns that site feedback channels are not for formal rulemaking comments. Formal comments must go to Regulations.gov, the agency docket, or another address named in the Federal Register document.
FAQ
Is every federal comment period 60 days?
No. Regulations.gov describes 60 days as typical after a proposed rule, and many proposed rules use 60 days, but Federal Register comment periods also commonly run 30 or 90 days. Some are shorter or longer.
Can an agency use less than 30 days?
Sometimes. There is no single APA minimum comment period for every action, though statutes, agency rules, executive orders, or agency policy may set requirements for a particular docket. Read the Federal Register Dates section and the agency's explanation.
Can I submit after the deadline?
You can try only if the docket still accepts it or the agency instructions allow it, but agencies generally are not required to consider late comments. Submit before the posted deadline whenever possible.
Do final rules have public-comment periods?
Usually no. A final rule normally comes after the agency has reviewed comments on a proposed rule. Some interim final rules and direct final rules ask for comments, so check the action type and Dates section.
Where should I track comment periods?
Use FederalRegister.gov to read the published document, Regulations.gov for the official docket, and RegWatch to get alerts when new matching rules and deadlines appear.