Originally Posted by
irishguy28
You will only undergo an immigration check at AMS while transferring airside. Watch out for the "short connection" line at the border check, if your onward flight appears on the screen, you can skip the main queue.
Look for the priority/short connections lane to the left of the passport lanes.
Also, after they check/stamp your passport, you'll clear airport security, so be mindful of any liquids you may pick up before this point.