55 Pa. Code § 155.4
The provisions of this § 155.4 amended February 7, 1992, effective upon publication and apply retroactively to February 1, 1990, 22 Pa.B. 590; reserved October 15, 1999, effective October 16, 1999, 29 Pa.B. 5390. Immediately preceding text appears at serial pages (252534) to (252535).