52 Pa. Code § 31.8
The provisions of this § 31.8 adopted April 11, 1939; amended through April 1, 1967; amended August 6, 1976, effective August 7, 1976, 6 Pa.B. 1841; amended December 22, 1989, effective December 23, 1989, 19 Pa.B. 5424; reserved February 6, 1998, effective February 7, 1998, 28 Pa.B. 647. Immediately preceding text appears at serial pages (216021) to (216022).