"United Airlines' Marriott code UAL is an airline employee code. United employee IDs are company-issued physical badges. Properties near United hubs (Chicago O'Hare, Newark, Houston Bush, Denver, San Francisco) regularly handle United crew and employees. FlyerTalk's airline code thread: "Airline codes are more likely to be checked than random corporate codes because the front desk knows what an airline badge looks like." No UAL-specific denial documented. Airport corridor Marriott properties: moderate enforcement."

"I had to change my email to my personal email account. My IT sucks, I have had so many joe.smith1 to joe.smith9 at my corporate name dot Com. Why I like to get my folio in person and on my email. Miss a receipt and your expense report gets rejected. Only been asked once for corporate proff, but I am nice to the staff and explain what's going on before they get a chance to ask. IT still has not figured out how to link everything to Concur for hotels. And it's a huge company"

"I think the generic 'show corp id' designation means show the company business card. I think a lot of us don't have them or, if we do & we're not going to an office that we'd need to show them, leave them at home. I worked for some F500s that didn't require corp ids with shiny smiling faces on them & others that did; same with company credit cards. All, however, provided biz cards when working for them."