52 Pa. Code § 5.412
The provisions of this § 5.412 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 § 5.412a (relating to electronic submission of pre-served testimony).