55 Pa. Code § 127.4
The provisions of this § 127.4 amended through June 11, 1982, effective June 12, 1982, 12 Pa.B. 1820; 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 (153000), (130363 to (130364), (108635) to (108638) and (130365) to (130366).