"LVMH's Marriott code 256547 is for the French luxury conglomerate (Louis Vuitton, Moët, Hennessy, Dior, Sephora). LVMH has significant Paris, New York, and global presence. hotelcorporatecodes.com: "⚠️ Sometimes" for luxury conglomerate codes. Paris Marriott properties (near LVMH HQ) are among the most enforcement-active European properties. LVMH employees frequently travel between luxury brand headquarters globally. No 256547-specific denial documented, but European Marriott properties verify with increasing frequency."

"I now always make it a matter of course to carry documents (business cards of my contacts, e-mails requesting my visit etc.) from my host company when I travel. This has always proven sufficient for the few times I've been challenged by the front desk clerk."

"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."