A presiding officer may order notification of parties by telephone, telefacsimile or other electronic means when time periods are short and delivery by mail may not prove adequate. Notification by means other than by mail will be confirmed by the presiding officer by service in writing and a filing will be made with the Secretary regarding confirmation.
52 Pa. Code § 5.306
The provisions of this § 5.306 adopted under the Public Utility Code, 66 Pa.C.S. § § 309-311, 315, 331-335, 501, 504-506, 701-703, 1101-1103, 1301 and 1501.