Originally Posted by
usAir
The GA I was talking to offered to blue tag my bag, until the other GA said that they aren't allowed to blue tag internationally (I'm assuming all TATL/Brazil, excluding Canada/Central America).
Can't speak for outbound INTL from the US, but on inbound INTL, CBP prohibits anything other than wheelchairs, walkers, and strollers from being returned to a passenger before Immigration screening (Canadian inbounds, being pre-cleared, are excluded).