Originally Posted by
mad_rich
Don't guess!
She won't need to pass immigration, but she will need to follow signs for 'flight connections' (hint: these are purple and unmissable), pass a boarding pass check, then go through security.
"You need to pass the conformance check, where your papers are checked, but before security, 35 minutes before scheduled departure of the connecting flight"
That is what I was thinking of. The time difference between a Conformance check and Immigration isn't all that much. But I did remember being halted on the sole connection flight i've flowing internationally.