[Congressional Record Volume 159, Number 18 (Wednesday, February 6, 2013)]
[House]
[Page H416]
From the Congressional Record Online through the Government Publishing Office [www.gpo.gov]

            By Mr. PASTOR of Arizona:
        H.R. 591.
        Congress has the power to enact this legislation pursuant 
     to the following:
       Article I, section 8, clause 4