49 Pa. Code § 17.91
The provisions of this § 17.91 adopted June 30, 1960; amended July 28, 1978, effective July 29, 1978, 8 Pa.B. 2099; reserved January 2, 1987, effective December 31, 1986, 17 Pa.B. 24. Immediately preceding text appears at serial pages (42028) to (42029).