The Secretary of the Treasury , upon the concurrence of the Secretary of State , is authorized and directed , out of the sum covered into theYugoslav Claims Fund pursuant to subsection ( b ) of this section , after completing the payments of such funds pursuant to subsection ( c ) of this section , to make payment of the balance of any sum remaining in such fund to the Government of the Federal People's Republic of Yugoslavia to the extent required under article 1 ( c ) of theYugoslav Claims Agreement of 1948.