55 Pa. Code § 127.24
The provisions of this § 127.24 amended through April 8, 1983, effective April 9, 1983, 13 Pa.B. 1259; reserved November 15, 1991, effective October 5, 1991, apply retroactively to November 1, 1989, 21 Pa.B. 5344. Immediately preceding text appears at serial pages (108643) to (108648).