The provisions of this § 183.73 adopted August 4, 1977, effective August 5, 1977, 7 Pa.B. 2180; amended July 21, 1978, effective August 21, 1978, 8 Pa.B. 2062; amended February 22, 1980, effective February 23, 1980, 10 Pa.B. 851; corrected February 29, 1980, effective February 23, 1980, 10 Pa.B. 913; amended July 4, 1980, effective February 23, 1980, 10 Pa.B. 2882; amended August 14, 1981, effective October 14, 1981, 11 Pa.B. 2854; reserved August 26, 1988, effective November 1, 1988, 18 Pa.B. 3921. Immediately preceding text appears at serial pages (125748), (117265) to (117266) and (125749).