52 Pa. Code § 56.54
The provisions of this § 56.54 amended under the Public Utility Code, 66 Pa.C.S. § § 331, 501, 504, 1301, 1305, 1501 and 1504; reserved under the Public Utility Code, 66 Pa.C.S. § § 1401-1419.
This section cited in 52 Pa. Code § 56.55 (relating to periodic review).