I think this feature is very closely related to this one:
Can they be merged?
And, it is nearly impossible to do what we would like, one facility
shipping mostly international (8.5x11) the other mostly domestic (4x6).
The label format should not be a general setting, but perhaps
user-specific in our case. Or, maybe order speci...
You might want to add your vote(s) to this similar feature request that
has been gaining some momentum.