If a cash deposit is applied or refunded, the public utility shall mail or deliver to the customer a written statement showing the amount of the original deposit plus accrued interest, the application of the deposit to a bill which had previously accrued, the amount of unpaid bills liquidated by the deposit and the remaining balance.
52 Pa. Code § 56.56
The provisions of this § 56.56 amended under the Public Utility Code, 66 Pa.C.S. § § 331, 501, 504, 1301, 1305, 1401-1419, 1501 and 1504.