The Commission shall receive and determine, in accordance with the Memorandum of Understanding and applicable substantive law, including international law, the validity and amount of claims of nationals of the United States against the government of Italy arising out of the war in which Italy was engaged from June 10, 1940, to September 15, 1947, and with respect to which provision was not made in the treaty of peace with Italy. Upon payment of the principal amounts (without interest) of all awards from the Italian Claims Fund created pursuant to section
1641a of this title, the Commission shall determine the validity and amount of any claim under this section by any natural person who was a citizen of the United States on August 9, 1955 and shall, in the event an award is issued pursuant to such claim, certify the same to the Secretary of the Treasury for payment out of remaining balances in the Italian Claims Fund in accordance with the provisions of section
1641i of this title, notwithstanding that the period of time prescribed in section
1641o of this title for the settlement of all claims under this section may have expired.