(a) In General.—
An appeal may be taken directly to the Supreme Court of the United States from any interlocutory or final judgment, decree, or order of a court upon the constitutionality of any provision of chapter 5 of title 3.
Section effective Oct. 1, 1997, see section 3(d) of Pub. L. 104–331, set out as a note under section 1296 of this title.