Pub. L. 90-351, tit. I, pt. E, sec. 511

Sec. 511. (a) If any applicant or grantee is dissatisfied with the Administration’s final action with respect to the approval of its application or plan submitted under this title, or any applicant or grantee is dissatisfied with the Administration’s final action under section 509 or section 510, such applicant or grantee-may, within sixty days after notice of such action, file with the United States court of appeals for the circuit in which such applicant or grantee is located a petition for review of that action. A copy of the petition shall be forthwith transmitted by the clerk of the court to the Administration. The Administration shall thereupon file in the court the record of the proceedings on which the action of the Administration was based, as provided in section 2112 of title 28, United States Code. 82 Stat. 207 (b) The determinations and the findings of fact by the Administration, if supported by substantial evidence, shall be conclusive; but the court, for good cause shown, may remand the case to the Administration to take further evidence. The Administration may thereupon make new or modified findings of fact and may modify its previous action, and shall file in the court the record of the further proceedings. Such new or modified findings of factor determinations shall likewise be conclusive if supported by substantial evidence. (c) Upon the filing of such petition, the court shall have jurisdiction to affirm the action of the Administration or to set it aside, in whole or in part. The judgment of the court shall be subject to review by the .Supreme Court of the United States upon certiorari or certification as provided in section 1254 of title 28, United States Code.