"Oracle Taiwan's Hyatt code (52730) shares the same risk profile as Oracle's other Hyatt codes. FlyerTalk's "Hyatt Discount Codes" thread specifically documents: "Andaz Tokyo asked for badge, business card and email" and "Park Hyatt Sydney liaised directly with my company's travel desk." Oracle codes at Hyatt are particularly high risk because: (1) Oracle has a documented close relationship with Marriott/hotel brands; (2) Taiwan Hyatt properties enforce verification with near 100% frequency. Combined with the general Oracle + Asia Hyatt pattern, this code is rated High risk."

"I had this actually happen to me when I used my company rate in China. I couldn't show them my company portal because our company's SSO didn't let us log in from China (or have work stuff on my personal phone), and I'm fully remote so I didn't have my badge. They asked me for my email and sent an email to make sure it didn't bounce back before checking me in."

"Agree with your 1-3 Your #4 has not been true - for me While an anecdotal data point: If the hotel does ask for proof (around less than half the time) a badge or business card has always sufficed for me - I have hundreds of stays around the world on discounted corporate rates I’d wager the OP has a 99.x % chance of success if he has an employee badge"