The provisions of this § 15.49a adopted March 4, 1988, effective March 5, 1988, 18 Pa.B. 937; amended June 8, 1990, effective upon publication and apply retroactively to July 1, 1988, 20 Pa.B. 3056; amended June 29, 1990, effective June 30, 1990, 20 Pa.B. 3592; amended January 25, 1991, effective immediately and apply retroactively to July 1, 1990, 21 Pa.B. 359; amended November 27, 1991, effective November 30, 1991, 21 Pa.B. 5510; amended May 8, 1992, effective May 9, 1992, 22 Pa.B. 2449; amended November 19, 1993, effective November 20, 1993, 23 Pa.B. 5528; amended July 7, 1995, effective July 8, 1995, 25 Pa.B. 2718; amended December 6, 1996, effective December 7, 1996, 26 Pa.B. 5886; amended January 3, 1997, effective January 4, 1997, 27 Pa.B. 18; reserved and renumbered as 12 Pa. Code § 135.49a, May 16, 1997, effective May 17, 1997, 27 Pa.B. 2415. Immediately preceding text appears at serial pages (224581) to (224582).