Pennsylvania Code
Title 52 - PUBLIC UTILITIES
Part I - Public Utility Commission
Subpart B - Carriers of Passengers or Property
Chapter 29 - MOTOR CARRIERS OF PASSENGERS
Subchapter B - COMMON CARRIERS
MARKINGS AND POSTING NOTICE
Section 29.71 - Marking of vehicles

(a) Identification. A common carrier shall paint or affix on each side of each motor vehicle operated in certificated service by him in letters of at least 2 inches in height and at least 1/2 inch in width, the name or registered insignia, if approved by the Commission, of the carrier and the number of the certificate of public convenience as follows:

"Pa.P.U.C. No. A-"

(b) Exceptions.

(c) Numbers. A common carrier of passengers by taxicab operating more than one taxi shall cause to be painted or affixed a distinguishing number of at least 4 inches in height and at least 1/2 inch in width, in numerical sequence beginning with No. 1, in a conspicuous location on the rear and on each front side where it is clearly distinguishable from the rear and front side of each motor vehicle. If the common carrier operates under the name of an association not certificated by the Commission, there shall also be, in lieu of a separate numbering system, a single numerical sequence for an association and there shall be painted on the taxicab the name of the association, and the sequential number assigned by the association. The association shall supply the Commission with a current listing of the numbers assigned to each certificated carrier.