37 Pa. Code § 33.21
The provisions of this § 33.21 adopted September 14, 1979, effective September 15, 1979, 9 Pa.B. 3195; amended March 3, 1989, effective March 4, 1989, 19 Pa.B. 868; reserved February 23, 2001, effective February 24, 2001, 31 Pa.B. 1145. Immediately preceding text appears at serial pages (265075) to (265078).