[Congressional Record Volume 164, Number 39 (Tuesday, March 6, 2018)]
[House]
[Page H1442]
From the Congressional Record Online through the Government Publishing Office [www.gpo.gov]

           By Mr. WALKER:
       H.R. 5187.
       Congress has the power to enact this legislation pursuant 
     to the following:
       Article 1, Section 8, Clause 7: To establish post offices 
     and post roads.