52 Pa. Code § 56.24
In the absence of written instructions, a disputed bill or a payment arrangement, payments received by a public utility which are insufficient to pay a balance due both for prior service and for service billed during the current billing period shall first be applied to the balance due for prior service.
The provisions of this § 56.24 amended under the Public Utility Code, 66 Pa.C.S. § § 501, 1301, 1401—1419, 1501 and 1509.
The provisions of this § 56.24 adopted June 16, 1978, effective June 17, 1978, 8 Pa.B. 1655; amended October 7, 2011, effective October 8, 2011, 41 Pa.B. 5473; amended May 31, 2019, effective June 1, 2019, 49 Pa.B. 2815. Immediately preceding text appears at serial page (358956).