31 Pa. Code § 66.52
The provisions of this § 66.52 adopted February 7, 1975, effective February 8, 1975, 5 Pa.B. 239; amended through July 15, 1977, 7 Pa.B. 1979; reserved January 3, 1997, effective January 4, 1997, 27 Pa.B. 19. Immediately preceding text appears at serial pages (215689) to (215690).