The provisions of 30 CFR 77.1900 (relating to slopes and shafts; approval of plans) are incorporated by reference, with the following addition:
The Department will approve plans relating to slope and shaft sinking and construction.
25 Pa. Code § 208.391
The provisions of this §208.391 issued under sections 106 and 106.1 of the Bituminous Coal Mine Safety Act (52 P.S. §§ 690-106 and 690-106.1).