At any time a slide occurs which may have a potential adverse effect on public, property, health, safety, or the environment, the person who conducts the underground mining activities shall notify the regulatory authority by the fastest available means and comply with any remedial measures required by the regulatory authority.

[44 FR 15422, Mar. 13, 1979, as amended at 81 FR 93418, Dec. 20, 2016; 82 FR 54999, Nov. 17, 2017]