25 Pa. Code § 221.3
The provisions of this § 221.3 adopted February 1, 1972, effective February 2, 1972, 2 Pa.B. 212; amended December 18, 1987, effective December 19, 1987, 17 Pa.B. 5235; reserved May 16, 2008, effective May 17, 2008, 38 Pa.B. 2243. Immediately preceding text appears at serial page (304486).
This section cited in 25 Pa. Code § 221.35a (relating to fluoroscopic X-ray systems).