§ 663. Inspection of accounts, books, etc., of railroad receiving financial assistance
§ 664. Issuance of obligations to Secretary of the Treasury
§ 665. Utilization of services and facilities of Federal departments and agencies; reimbursement; consultation with Board; coordination of activities with Federal departments and agencies
§ 666. Court supervision of expenditures; findings; report to Secretary
§ 667. Audit by Comptroller General; report to Congress