Apps > Manage Apps > Deep Clone > Restrict access
In this menu you can restrict:
Restrict Cloning into certain projects
Check “Restrict access to user-groups”
Select the project in the drop down you want to restrict cloning into
Select group/s which should still be allowed to clone into this project
Save
Users need to have the “Create issue” permission for this project in order to be able to Deep Clone into it, regardless of the “Restrict access” settings below.
Restrict other Deep Clone features