52 Pa. Code § 1005.131
Interlocutory review will be conducted in accordance with 1 Pa. Code § 35.190 (relating to appeals to agency head from rulings of presiding officers). For purposes of implementing this section, the agency head is the Board.
This section cited in 52 Pa. Code § 1005.183 (relating to disqualification of a presiding officer); 52 Pa. Code § 1017.52 (relating to impoundment of vehicles and equipment); and 52 Pa. Code § 1055.32 (relating to impoundment of vehicles and equipment).