Pennsylvania Code
Title 52 - PUBLIC UTILITIES
Part I - Public Utility Commission
Subpart B - Carriers of Passengers or Property
Chapter 31 - MOTOR CARRIER PROPERTY AND HOUSEHOLD GOODS TRANSPORTATION
COMMON CARRIERS OF PROPERTY AND HOUSEHOLD GOODS IN USE
Section 31.33 - Identification of equipment

(a) Every motor vehicle operated by a motor carrier shall be marked on each side, in letters at least 2 inches in height, and at least 1/2 inch in width, the name and address of the motor carrier and the number of the certificate of public convenience or permit as follows: "PA. P.U.C. NO. A ____________ . " If the vehicle is owned by someone other than the motor carrier operating it, there shall be shown on each side of the vehicle, in letters at least 2 inches in height and at least 1/2 inch in width, the wording: "OPERATED BY (name and address of authorized motor carrier), PA. P.U.C. NO. A ____________." If a removable device is used to identify the operating carrier as lessee, the device shall be of durable material and securely affixed, to the vehicle operated, throughout the duration of the lease.

(b) Upon relinquishing possession of the equipment, the motor carrier operating the leased vehicle under this section shall remove the legend or removable device displayed on the vehicle showing it to be the operating carrier.

(c) In the event that the certificate of a common carrier or permit of a contract carrier is canceled or revoked by the Commission or when a motor vehicle is permanently removed from service, the carrier shall immediately cause the certificate or permit number to be removed from its vehicle.