22 Pa. Code § 17.12
The provisions of this § 17.12 adopted August 21, 1970, effective August 22, 1970, 1 Pa.B. 196; amended January 17, 1976, effective January 18, 1976, 6 Pa.B. 77; reserved September 8, 1989, effective September 9, 1989, 19 Pa.B. 3819. Immediately preceding text appears at serial page (67519).