"The AON Hyatt code delivers unusually deep discounts at certain European properties, notably Paris. Hyatt is known as more verification-active than Marriott: "Hyatt is notorious for checking for ID and being quite thorough." Park Hyatt properties explicitly state "Valid Company ID Required at Check-in." One verified traveler reported Park Hyatt Tokyo demanding proof or threatening rack rate conversion, taking 15 minutes of email-searching to satisfy. For AON specifically, no denied-rate incident was found, but Hyatt's general enforcement rate is estimated at 10-20% of stays."

"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"

"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…"