The U.S. Transportation Security Administration is warning travelers of an important piece of airport protocol: Costco membership cards do not count as REAL ID.

The BriefMilwaukee airport officials held a news conference on Tuesday ahead of this year’s summer travel season.Airport officials provided tips on how to pack your carry-on, best practices for avoiding prohibited items and adhering to the 3-1-1 liquids rule.

The new REAL ID travel regulations were approved in 2005 after being designed in response to 9/11, but have only been applied this year

The Transportation Security Administration now mandates REAL IDs for passengers boarding domestic flights - though five states do accept Enhanced IDs. The REAL ID Act was enacted in 2005, following a recommendation from the 9/11 Commission,

The Transportation Security Administration (TSA) has debunked a recurring rumor that Costco membership cards can be used as a REAL ID. In a social media post on Wednesday, June 4, the TSA said, "We love hotdogs & rotisserie chickens as much as the next person but please stop telling people their Costco card counts