Definition: Eligible debt or debt service
External debt - IMF
In the context of the Paris Club, debt that can be rescheduled—namely, debt that is contracted before the cutoff date, with maturities of one year or longer.
International Monetary Fund (IMF), "External Debt Statistics: Guide for Compilers and Users; Appendix III. Glossary of External Debt Terms", Washington D.C., 2003