The President, or an officer, agent, or agency the President may designate, may dispose of any securities acquired on behalf of the Federal Government under the provisions of the Transportation Act of 1920 (ch. 91, 41 Stat. 456), including any securities acquired as an incident to a case under title 11, under a receivership or reorganization proceeding, by assignment, transfer, substitution, or issuance, or by acquisition of collateral given for the payment of obligations to the Government, or may make arrangements for the extension of the maturity of the securities, in the manner, in amounts, at prices, for cash, securities, or other property or any combination of cash, securities, or other property, and on terms and conditions the President or designee considers advisable and in the public interest.