; and (B) proof of service of true copies of the notice and statement described in subparagraph (A) upon— (i) the appellant; and (ii) the Commission. (2) Interested party For purposes of paragraph (1), any person who would be aggrieved or whose interest would be adversely affected by a reversal or modification of the order of the Commission complained of shall be considered an interested party. (e) Record and briefs The record and briefs upon which an appeal described in subsection (a) shall be heard and determined by the court shall contain such information and material, and shall be prepared within such time and in such manner, as the court may by rule prescribe. (f) Time of hearing; procedure The court shall hear and determine an appeal described in subsection (a) upon the record before it in the manner prescribed by section 706 of title 5, United States Code. (g) Remand If the court renders a decision and enters an order reversing the order of the Commission— (1) the court shall remand the case to the Commission to carry out the judgment of the court; and (2) the Commission, in the absence of proceedings to review the judgment under paragraph (1) or (2) of subsection (i), shall forthwith give effect to the judgment, and unless otherwise ordered by the court, shall do so upon the basis of— (A) the proceedings already had; and (B) the record upon which the appeal was heard and determined. (h) Judgment for costs The court may, in its discretion, enter judgment for costs in favor of or against an appellant, or other interested parties intervening in the appeal, but not against the Commission, depending upon the nature of the issues involved in the appeal and the outcome of the appeal. (i) Finality of decision; review by Supreme Court The judgment of a court of appeals under this section shall be final, subject to review by the Supreme Court of the United States— (1) upon writ of certiorari on petition therefor under section 1254 of title 28, United States Code, by— (A) the appellant; (B) the Commission