40 Pa. Code § 15.5
The provisions of this § 15.5 adopted July 1, 1959; amended through November 22, 1961; amended August 22, 1986, effective August 23, 1986, 16 Pa.B. 3114; reserved December 27, 1991, effective December 28, 1991, 21 Pa.B. 5935. Immediately preceding text appears at serial page (110179).