Originally Posted by
livebetter_travelmore
While navigating the queues at the Vancouver (YVR) airport for my return home to the States, I was asked not just once, but *twice* from two different agents stationed at different points to present my Global Entry (GE) card so they could look at it. I'm assuming they requested this to verify that I was ok to be in that particular line. I share this because it had been previously explained to me that the GE card was *only* needed for U.S. entry at "LAND AND SEA PORTS"; i.e. "never" used at the airport as one's passport and fingerprints were all that were needed. I'm not here to debate whether this was wrong or right, but moreover as a tip/suggestion to those traveling at YVR going through pre-clearance entry for US. Keep your GE card (or NEXUS if you've replaced the former with it) handy along with your passport to avoid a delay in passage.
Thank you for sharing. It has been discussed here a number of times. You were asked by ID checkers to see if you are in the correct line at a pre-clearance airport. If you arrive in the U.S., you do not need to show your GE/NEXUS card in order to use GE kiosks, although some have reported you do need to show your GE/NEXUS card at some U.S. airports.