IBM RTC 6.0.3: How can I modify an existing template already created ccm
One answer
You can export the work item template, modify it (in XML format) and import it back.
https://jazz.net/help-dev/clm/topic/com.ibm.team.workitem.doc/topics/c_using_templates.html
https://jazz.net/library/article/555
https://jazz.net/wiki/bin/view/Main/WorkItemTemplates