[Congressional Record Volume 159, Number 114 (Friday, August 2, 2013)]
[House]
[Page H5402]
From the Congressional Record Online through the Government Publishing Office [www.gpo.gov]

           By Mr. WILLIAMS:
       H.R. 3060.
       Congress has the power to enact this legislation pursuant 
     to the following:
       The constitutional authority on which this bill rests is 
     power of Congress to establish Post Offices and post roads, 
     as enumerated in Article I, Section 8, Clause 7 of the United 
     States Constitution.