466 A.2d 254 William B. Bush, M.D., Petitioner v. Commonwealth of Pennsylvania, Pennsylvania Horse Racing Commission, Respondent. Commonwealth Court of Pennsylvania.Argued May 9, 1983 October 11, 1983. Pennsylvania Horse Racing Commission — Forfeiture of purse — Drugs — Regulations — Retroactivity — Modification of penalty. 1. In the absence of expression to the contrary a […]