The Secretary of the Treasury is authorized and directed out of the sums covered into any of the funds pursuant to subsection (b) of this section, and after making the deduction provided for in section 7 (b) of this Title --

to make payments in full of the principal of awards of $1000 or less, certified pursuant to section 5 of this Title;

to make payments of $1000 on the principal of each award of more than $1000 in principal amount, certified pursuant to section 5 of this Title;

to make additional payment of not to exceed 25 per centum of the unpaid principal of awards in the principal amount of more than $1000;

after completing the payments prescribed by paragraphs (2) and (3) of this subsection, to make payments, from time to time in ratable proportions, on account of the unpaid principal of all awards in the principal amount of more than $1000, according to the proportions which the unpaid principal of such awards bear to the total amount in the fund available for distribution at the time such payments are made; and after payment has been made of the principal amounts of all such awards, to make pro rata payments on account of accrued interest on such awards as bear interest.

The Secretary of the Treasury, upon the concurrence of the Secretary of State, is authorized and directed, out of the sum covered into the Yugoslav 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 the Yugoslav Claims Agreement of 1948. The Secretary of State shall certify to the Secretary of the Treasury the total cost of adjudication, not borne by the claimants, attributable to the Yugoslav Claims Agreement of 1948. Such certification shall be final and conclusive and shall not be subject to review by any other official or department, agency, or establishment of the United States.