1 Pa. Code § 31.22
A person may be represented in a proceeding by an attorney at law admitted to practice before the Supreme Court of Pennsylvania, or, if a similar agency of another jurisdiction accords like privileges to members of the bar of this Commonwealth, the highest court of such other jurisdiction.
1 Pa. Code § 31.22
This section cited in 1 Pa. Code § 31.21 (relating to appearance in person); 1 Pa. Code § 31.23 (relating to other representation prohibited at hearings); 4 Pa. Code §89.26 (relating to representation); 4 Pa. Code §607a.8 (relating to representation); 7 Pa. Code §131.12 (relating to appearances); 7 Pa. Code §179.63 (relating to representation before the Commission); 12 Pa. Code § 11.5 (relating to appearance before the Department); 25 Pa. Code §1021.21 (relating to representation); 25 Pa. Code §1021.22 (relating to notice of appearance); 28 Pa. Code §1111.8 (relating to rights of the appellant); 28 Pa. Code §1113.2 (relating to administrative appeal procedures); 28 Pa. Code §1230.26 (relating to representation); 34 Pa. Code §131.54 (relating to manner and conduct of hearings); 34 Pa. Code §131.58 (relating to informal conferences); 34 Pa. Code §131.59 (relating to mediation); 34 Pa. Code §131.59a (relating to voluntary mediation); 34 Pa. Code §131.59b (relating to mandatory mediation); 34 Pa. Code §131.60 (relating to resolution hearings); 37 Pa. Code §171.3 (relating to practice before the arbitration panels); 37 Pa. Code §197.9 (relating to appearances); 49 Pa. Code §43b.302 (relating to representation in formal proceedings); 52 Pa. Code §1.22 (relating to appearance by attorney or certified legal intern); 52 Pa. Code §1001.22 (relating to appearance by attorney or certified legal intern); 58 Pa. Code §499a.2 (relating to appearance by attorney); and 61 Pa. Code §702.21 (relating to representation).