25 Pa. Code § 88.481
This subchapter specifies certain specific procedures and rules for those who engage in the underground mining of anthracite coal activities. General rules and procedures for those who engage in the underground mining of anthracite coal activities are provided for in Chapter 86 (relating to surface and underground coal mining: general).
The provisions of this § 88.481 adopted December 19, 1980, 10 Pa.B. 4789, effective July 31, 1982, 12 Pa.B. 2382.