"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 haven't tried using discount codes w/ Hyatt previously but this is intriguing. Some of these codes are tied to various companies. Does anyone who has used these codes before know if Hyatt front desk staff ask for corporate ID upon check-in if a reservation is booked using one of these codes? For example, 99800 is linked to Daimler-Chrysler Purchasing..."

"I get randomly asked for my id if I check in at peak times, if it’s late or super early morning they just let it go. I’ve showed my corporate email on my phone for proof before"