The following funds shall be deemed an indebtedness to the United States of the particular insurance fund involved, and the Secretary is authorized and directed to pay the amount of such indebtedness to the Secretary of the Treasury, with simple interest thereon from the date the funds were advanced to the date of final payment at a rate determined by the Secretary of the Treasury, taking into consideration the average rate on outstanding marketable obligations of the United States from the date the funds were advanced until the date of final payment—
(1)
funds made available to the Secretary pursuant to the provisions of sections
1705 and
1708 of this title, exclusive of amounts heretofore refunded, (a) for carrying out this subchapter and section
484d of title
48 with respect to mortgages insured under section
1709 of this title where such funds were credited to the general reinsurance account in the Mutual Mortgage Insurance Fund, and (b) for the payment of salaries and expenses with respect to mortgage insurance under sections
1713 and
1715a of this title where such funds were credited to the Housing Insurance Fund;
(2)
funds made available to the Secretary pursuant to sections
1737 and
1748a of this title; and
(3)
funds made available to the Secretary by the Secretary of the Treasury pursuant to section
1747i of this title.
Payments to the Secretary of the Treasury under this section shall be made in such amounts and at such times as the Secretary determines, after consultations with the Secretary of the Treasury, that funds are available for that purpose, taking into consideration the continued solvency of the funds involved. All payments made pursuant to this section shall be covered into the Treasury as miscellaneous receipts.
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