A common carrier of passengers or household goods in use which advertises its services as an intrastate carrier within this Commonwealth shall include in the advertisements its certificate number issued by the Commission. A common carrier of passengers or household goods in use which does not comply with this section shall be subject to penalty under 66 Pa.C.S. § § 3301-3315 (relating to violations and penalties).
52 Pa. Code § 21.2
The provisions of this § 21.2 issued under the Public Utility Code, 66 Pa.C.S. § § 501, 1501 and 1504.