The provisions of 30 CFR 77.1900-1 (relating to compliance with approved slope and shaft sinking plans) are incorporated by reference.
25 Pa. Code § 208.392
The provisions of this § 208.392 issued under sections 106 and 106.1 of the Bituminous Coal Mine Safety Act (52 P.S. §§ 690-106 and 690-106.1).