Originally Posted by
armattheus
"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.
"papers are checked" means BP and passport is OK with a visa for the next country if required.