40 Pa. Code § 9.27
The provisions of this § 9.27 adopted June 26, 1952; amended through August 29, 1966; amended June 18, 1982, effective July 1, 1982, 12 Pa.B. 1860; amended March 11, 1983, effective March 12, 1983, 13 Pa.B. 984; amended March 12, 1993, effective March 13, 1993, 23 Pa.B. 1145; reserved August 29, 1997, effective August 30, 1997, 27 Pa.B. 4432. Immediately preceding text appears at serial page (229060).