As used in sections
1738o,
1738p, and
1738q of this title, the term “qualified debt” means any obligation, or portion of such obligation, of an eligible country to pay for purchases of United States agricultural commodities guaranteed by the Commodity Credit Corporation under export credit guarantee programs authorized pursuant to section
714c
(f) of title
15 or section
1707a
(b) of this title—
Such term includes the obligation to pay any interest which was due or accrued not later than September 1, 1992, and unpaid as of the date of a debt sale pursuant to section
1738o of this title or a debt sale, reduction, or cancellation pursuant to section
1738p of this title (as the case may be).