Linking tasks to new/other Plans in CCM

Hi, WIlliam

If Plan A and new plan are in a same project area, drag and drop between plan feature applies:

http://www.ibm.com/support/knowledgecenter/SSYMRC_6.0.0/com.ibm.team.apt.doc/topics/t_modifying_work_items_in_an_iteration_plan.html

Some other discussions may help:
https://jazz.net/forum/questions/159633/how-to-move-work-items-accross-the-plans

There may other similar discussions in Forum depending on the scenarios.