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Definition: International Security Identification Number

External debt - IMF

The International Security Identification Number (ISIN) is a unique international security code issued by National Numbering Agencies (NNAs) to securities issued in their jurisdiction. The Association of National Numbering Agencies (ANNA) is the authority responsible for coordinating all aspects of the implementation of the ISIN numbering system. More information on the ISIN code system is available in Appendix VII of the IMF’s Coordinated Portfolio Investment Survey Guide, 2nd ed. (IMF, 2002). <a href=""></a>
International Monetary Fund (IMF), "External Debt Statistics: Guide for Compilers and Users; Appendix III. Glossary of External Debt Terms", Washington D.C., 2003