55 Pa. Code § 133.1
The provisions of this § 133.1 adopted August 4, 1977, effective August 5, 1977, 7 Pa.B. 2180; amended October 4, 1991, effective October 5, 1991, apply retroactively to November 1, 1989, 21 Pa.B. 4643. Immediately preceding text appears at serial pages (153001) to (153002).