52 Pa. Code § 5.72
(a) Persons. A petition to intervene may be filed by a person claiming a right to intervene or an interest of such nature that intervention is necessary or appropriate to the administration of the statute under which the proceeding is brought. The right or interest may be one of the following:
The provisions of this § 5.72 amended under 66 Pa.C.S. § § 501, 504—506, 523, 1301, 1501 and 1504.
The provisions of this § 5.72 adopted October 12, 1984, effective January 1, 1985, 14 Pa.B. 3819; amended September 20, 2013, effective September 21, 2013, 43 Pa.B. 5593. Immediately preceding text appears at serial page (319146).
This section cited in 52 Pa. Code § 1.8 (relating to definitions); and 52 Pa. Code § 5.41 (relating to petitions generally).