Regulations last checked for updates: Feb 16, 2025

Title 30 - Mineral Resources last revised: Feb 13, 2025
§ 56.4103 - Fueling internal combustion engines.

Internal combustion engines shall be switched off before refueling if the fuel tanks are integral parts of the equipment. This standard does not apply to diesel-powered equipment.

authority: 30 U.S.C. 811.
source: 50 FR 4054, Jan. 29, 1985, unless otherwise noted.
cite as: 30 CFR 56.4103