Environmental Protection Agency · EPA-R05-OAR-2019-0215
Air Plan Approval; Michigan; Infrastructure SIP Requirements for the 2015 Ozone NAAQS; Michigan State Board Requirements
The Federal Register published the matched proposal on November 20, 2025 and the matched final rule on May 14, 2026, 175 days later.
- Other status notices appear in this docket. Read the withdrawal, delay or stay notices before relying on an earlier date.
Official publication history
Proposal ·
Air Plan Approval; Michigan; Infrastructure SIP Requirements for the 2015 Ozone NAAQS; Michigan State Board Requirements
Comment date listed December 22, 2025
Rule ·
Air Plan Approval; Michigan; Infrastructure SIP Requirements for the 2015 Ozone NAAQS; Michigan State Board Requirements
Comment date listed December 22, 2025Effective date in register data January 20, 2026
Withdrawal ·
Air Plan Approval; Michigan; Infrastructure SIP Requirements for the 2015 Ozone NAAQS; Michigan State Board Requirements; Withdrawal of Direct Final Rule
Final rule ·
Air Plan Approval; Michigan; Infrastructure SIP Requirements for the 2015 Ozone NAAQS; Michigan State Board Requirements
Effective date in register data June 15, 2026
About this timeline
How the records were matched
America.co links a proposed rule and a later final rule when the Federal Register records share the exact docket identifier and lead agency. This snapshot covers records published from January 1, 2025 to November 10, 2026.
A docket can hold more than one regulatory action. Dates here are dates listed in individual notices. Later corrections, court actions, other dockets and records outside the date window may change what applies. Follow the official documents for the full text and effective dates.
Federal Register data source · Search Regulations.gov · Download this snapshot