Failure to timely file an informal complaint, except for good cause, shall constitute a waiver of applicable rights to retain service without complying with the termination notice or conference report of the public utility.
52 Pa. Code § 56.143
The provisions of this §56.143 amended under the Public Utility Code, 66 Pa.C.S. § § 1401-1419.
This section cited in 52 Pa. Code § 56.16 (relating to transfer of accounts).