Electronic Surveying Equipment in Underground Coal Mines

The Mine Safety and Health Administration (MSHA) is extending the comment period on the proposed rule titled, "Electronic Surveying Equipment in Underground Coal Mines," published in the Federal Register on July 1, 2025, with an established public comment period that is scheduled to end on July 31, 2025. In response to a request for additional time to develop and submit comments on the proposed rule, MSHA is extending the comment period for an additional 30 days, from July 31, 2025, to September 2, 2025.