28 U.S.C. § 1331

Federal question

The district courts shall have original jurisdiction of all civil actions arising under the Constitution, laws, or treaties of the United States.

( June 25, 1948, ch. 646 , 62 Stat. 930 ; Pub. L. 85–554, § 1 , July 25, 1958 , 72 Stat. 415 ; Pub. L. 94–574, § 2 , Oct. 21, 1976 , 90 Stat. 2721 ; Pub. L. 96–486, § 2(a) , Dec. 1, 1980 , 94 Stat. 2369 .)