(In reply to comment #0)
> Description of problem:
> 
> Currently for a pass-through with additional hardware an 3rd supplemental
> certification must be opened.  This request changes that where new
> hardware/testplan can be present in a pass-through however it needs to be clear
> that this is updating the hardware in the parent to the user and we are not
> abandoning that a pass-through must be a subset.

Now there is a knob to break the relationship between parent and child cert.
I think we can add a knob for duplicated cert as to change bug's status to ASSIGNED from CLOSED, then, we can add testplan for this cert with subset relation remained

please add sql in the comment

Created attachment 580252 [details]
screenshot of restoring the closed/dup widget on show.cgi

Created attachment 582827 [details]
patch to hide review tab for normal pass-through

Created attachment 583145 [details]
patch for comment#47

Created attachment 583340 [details]
new patch for normal pass-through

Created attachment 583343 [details]
new patch replace attachment#583340 [details]

please ignore attachment#583340 [details]

Created attachment 583695 [details]
new patch according to comment#51

Created attachment 583715 [details]
only allow vendor to create pass through when cert is closed/currentrelease

Created attachment 583739 [details]
prevent user to change cert classification to expanding ps if original cert is not closed

Created attachment 584228 [details]
patch for work queue

hide 'closed as duplicate of bug ###' comment when using xmlrpc to change bug's status and resolution to closed/duplicate

Created attachment 584512 [details]
patch for pass through tab

verified on web2, works