Pub. L. 102-166, tit. III, sec. 325
INTERVENTION AND EXPEDITED REVIEW OF CERTAIN APPEALS.
SEC. 325. INTERVENTION AND EXPEDITED REVIEW OF CERTAIN APPEALS. (a) Intervention.— Because of the constitutional issues that may be raised by section 309 and section 320, any Member of the Senate may intervene as a matter of right in any proceeding under section 309 for the sole purpose of determining the constitutionality of such section. (b) Threshold Matter.— In any proceeding under section 309 or section 320, the United States Court of Appeals for the Federal Circuit shall determine any issue presented concerning the constitutionality of such section as a threshold matter. (c) Appeal.— (1) In general.— An appeal may by taken directly to the Supreme Court of the United States from any interlocutory or final judgment, decree, or order issued by the United States Court of Appeals for the Federal Circuit ruling upon the constitutionality of section 309 or 320. (2) Jurisdiction—The Supreme Court shall, if it has not previously ruled on the question, accept jurisdiction over the appeal referred to in paragraph (1), advance the appeal on the docket and expedite the appeal to the greatest extent possible.