No property or interest therein of Germany, Japan, or any national of either such country vested in or transferred to any officer or agency of the Government at any time after December 17, 1941, pursuant to the provisions of this chapter, shall be returned to former owners thereof or their successors in interest, and the United States shall not pay compensation for any such property or interest therein. The net proceeds remaining upon the completion of administration, liquidation, and disposition pursuant to the provisions of this chapter of any such property or interest therein shall be covered into the Treasury at the earliest practicable date. Nothing in this section shall be construed to repeal or otherwise affect the operation of the provisions of section 4329, 4337, 4338, 4339 or 4340 of this title or of the Philippine Property Act of 1946 [22 U.S.C. 1381 et seq.].

Notwithstanding any of the provisions of subsections (a) and (b) of this section, the Attorney General is authorized to pay from property vested in or transferred to the Attorney General under this chapter, the sum of $20,000 as an ex gratia payment to the Government of Switzerland in accordance with the terms of the agreement entered into by that Government and the Government of the United States on March 12, 1980.