Comment windows in 596 recent US proposed rules

In US notice and comment rulemaking, the agency publishes a proposed rule and sets a date by which the public may comment ¹. The order is fixed: publication first, then the closing date, then any final rule ¹. This table lists the most recent proposed rules in the Federal Register API on 6 November 2026 with the agency, the publication date, the comment closing date and the length of the window in days ².