Surface Mining Reclamation and Enforcement Office · OSM-2025-0008
Montana Regulatory Program
The Federal Register published the matched proposal on August 4, 2025 and the matched final rule on May 29, 2026, 298 days later.
Official publication history
Proposal ·
Montana Regulatory Program
Comment date listed September 3, 2025
Final rule ·
Montana Regulatory Program
Effective date in register data June 29, 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