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Comment period

A comment period is the time the public has to respond to a request for input. These requests may include proposed rules, Requests for Information, or draft measures posted on the Measures Management System Hub. 

Federal law requires agencies to give the public a chance to take part in rulemaking. This requirement comes from the Administrative Procedure Act. Executive Orders 12866 and 13563 recommend a comment period of at least 60 days for rulemaking. For other types of documents, the comment period may be shorter or longer.

Last Updated: May 29, 2026

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