[Congressional Record Volume 164, Number 93 (Wednesday, June 6, 2018)]
[House]
[Page H4849]
From the Congressional Record Online through the Government Publishing Office [www.gpo.gov]

           By Mr. BISHOP of Michigan:
       H.R. 6020.
       Congress has the power to enact this legislation pursuant 
     to the following:
       Article 1, Section 8, which provides that Congress shall 
     have the authority to ``establish post offices and post 
     roads.''