(A) The Secretary shall provide that if the owner or his or her successors in interest fail to carry out the agreements described in subparagraphs (A) and (B) of paragraph (1) during the applicable period, the owner or his or her successors in interest shall make a payment to the Secretary of an amount that equals the total amount of assistance provided under this section with respect to such housing, plus interest thereon (without compounding), for each year and any fraction thereof that the assistance was outstanding, at a rate determined by the Secretary taking into account the average yield on outstanding marketable long-term obligations of the United States during the month preceding the date on which the assistance was made available.
(B) Notwithstanding any other provision of law, any assistance provided under this section shall constitute a debt, which is payable in the case of any failure to carry out the agreements described in subparagraphs (A), (B), and (C) of paragraph (1), and shall be secured by the security instruments provided by the owner to the Secretary.