# \#xid\_169075

**URL:** https://forum.fixtrading.org/tag/xid-169075/9836.md

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## [About InstrumentExtension Block in Security Definition Response](https://forum.fixtrading.org/t/about-instrumentextension-block-in-security-definition-response/12977)

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**Author:** [@ankitjoshi\_x](https://forum.fixtrading.org/u/ankitjoshi_x)\
**Replies:** 1\
**Last updated:** [October 30, 2009, 11:24am UTC](https://forum.fixtrading.org/t/about-instrumentextension-block-in-security-definition-response/12977 "2009-10-30T11:24:26Z")

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Imported from previous forum