Participation in a proceeding as a party intervener may be initiated as follows:
1 Pa. Code § 35.27
This section cited in 1 Pa. Code § 31.3 (relating to definitions); 7 Pa. Code § 131.14 (relating to interveners); 7 Pa. Code § 179.17 (relating to intervention); 25 Pa. Code § 1021.81 (relating to intervention); 28 Pa. Code § 301.7 (relating to fair hearing); 34 Pa. Code § 111.15 (relating to no other pleadings allowed); 34 Pa. Code § 131.32 (relating to petitions except petitions for joinder and challenge proceedings); 40 Pa. Code § 17.13 (relating to protests/intervention procedure); 49 Pa. Code § 19.33 (relating to intervention); 52 Pa. Code § 5.71 (relating to initiation of intervention); 52 Pa. Code § 1005.31 (relating to initiation of intervention); 58 Pa. Code § 493a.12 (relating to intervention); 61 Pa. Code § 703.2 (relating to petition content); 67 Pa. Code § 441.3 (relating to permit application procedure); and 67 Pa. Code § 491.6 (relating to notice and conduct of hearings).