52 Pa. Code § 56.373
To be timely filed, an informal complaint-which may not include disputes under § § 56.285 and 56.421 (relating to payment of outstanding balance; and payment and timing)-shall be filed prior to the day on which the public utility arrives to terminate service. If the public utility arrives to terminate service and posts a deferred termination notice in lieu of termination or otherwise fails to terminate service, the time for filing an informal complaint shall be extended until the end of the business day prior to the public utility again arriving to terminate service.
52 Pa. Code § 56.373
The provisions of this § 56.373 amended under the Public Utility Code, 66 Pa.C.S. § § 501, 1301, 1401-1419, 1501 and 1509.
This section cited in 52 Pa. Code § 56.266 (relating to transfer of accounts).