The TSA clarified this week that Costco membership cards are not acceptable as a newly required REAL ID at airport security checkpoints.

Americans — next time you fly, the folks at the Transportation Safety Administration have a simple reminder: no, your Costco Membership is not a valid form of ID. The bizarre reminder came days ago, amidst a renewed flurry of web traffic (and presumably some attempts at the security checkpoint) pondering whether the almighty retail pass will get you to your flight.