52 Pa. Code § 5.331
The provisions of this §5.331 amended under the Public Utility Code, 66 Pa.C.S. § § 309-311, 315, 331-335, 501, 504-506, 701-703, 1101-1103, 1301 and 1501.
This section cited in 52 Pa. Code § 5.351 (relating to on the record data requests).