[Congressional Record Volume 159, Number 73 (Wednesday, May 22, 2013)]
[House]
[Page H2912]
From the Congressional Record Online through the Government Publishing Office [www.gpo.gov]

           By Mr. SEAN PATRICK MALONEY of New York:
       H.R. 2112.
       Congress has the power to enact this legislation pursuant 
     to the following:
       The constitutional authority on which this bill rests is 
     the power of Congress to establish Post Offices and post 
     roads, as enumerated in Article I, Section 8, Clause 7 of the 
     United States Constitution.