55 Pa. Code § 143.22
The provisions of this § 143.22 adopted August 31, 1984, effective August 30, 1984, 14 Pa.B. 3159; amended August 26, 1988, effective November 1, 1988, 18 Pa.B. 3921; reserved July 27, 1990, effective July 28, 1990, 20 Pa.B. 4088. Immediately preceding text appears at serial pages (130435) to (130436).