55 Pa. Code § 127.74
The provisions of this § 127.74 amended December 24, 1981, effective December 26, 1981, 11 Pa.B. 4444; reserved November 15, 1991, effective October 5, 1991, apply retroactively to November 1, 1989, 21 Pa.B. 5344. Immediately preceding text appears at serial page (108648).