No formal application need accompany municipal contracts filed under section 507 of the act (relating to contracts between public utilities and municipalities), but an executed copy or reproduction copy of the contract shall be filed with the Commission at least 30 days prior to the effective date of the contract.
52 Pa. Code § 3.101
The provisions of this §3.101 amended under the Public Utility Code, 66 Pa.C.S. § § 501, 504, 523, 1301, 1501 and 1504.