In either early closing events or late closing events, if five or more horses are entered in to start, the race must be contested, except when declared off as provided in the Commission's regulations. At pari-mutuel race meetings, licensed racing entities may require five separate betting interests to start. Stakes and futurities must be raced if one or more horses are entered to start except when declared off as provided in the Commission's regulations.
7 Pa. Code § 205.302