"IBM Taiwan's Hyatt code (52718) is specific to IBM's Taiwan operations. Hyatt Asia-Pacific properties enforce corporate code verification near 100% of the time per FlyerTalk community data. "Andaz Tokyo asked for badge, business card and email" — this pattern applies broadly across Asia-Pacific Park Hyatt and Grand Hyatt. IBM Taiwan is a major presence in Taipei business travel; Grand Hyatt Taipei has been documented requiring corporate ID. IBM's standardized physical badges are well-recognized."

"I don‘t want to violate the T&C and risk my LTG status and account being closed….so I proactively contacted MHC and explained the situation. Came back with the standard and expected answer quoting the T&C and needing to work for the company and provide company ID upon checkin. but they also contacted the hotel to see what can be done. Will be interesting to see what they come back with…"

"I know that my former employer, a very large non US-based multinational company (I am not sure if US-based companies are more careful due to liability issues etc.), doesn't really care whether or not the person using its hotel corporate rates (worldwide agreements with 2 different large hotel chains) is an employee. In fact the company secretly hopes that others (non-staff) use its corporate rate. The name of the game is volume and the more the volume the better the company's leverage on the hotel. That is why it is usually the hotels who insist on asking for company IDs or business cards (which I suppose anyone can print ... though I am not suggesting that FTers should go this route)."