# [286] made occurrences mandatory in CObject

**Category:** [Reference Implementation: Java (archive)](https://discourse.openehr.org/c/reference-implementation-java-archive/154)
**Created:** 2007-09-08 08:31 UTC
**Views:** 1
**Replies:** 0
**URL:** https://discourse.openehr.org/t/286-made-occurrences-mandatory-in-cobject/13071

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## Post #1 by @svn1

Revision: 286
Author:   rong\.chen

Log Message:

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**Canonical:** https://discourse.openehr.org/t/286-made-occurrences-mandatory-in-cobject/13071
**Original content:** https://discourse.openehr.org/t/286-made-occurrences-mandatory-in-cobject/13071