"Honda 34235 is confirmed on multiple Hyatt code aggregators. FlyerTalk user Colin documented: "US & MX hotels never check, in my experience" but "Asia hotels generally, China in particular, check frequently." Honda has major operations in both the US (where risk is low) and Japan/Asia (where Park Hyatt and Grand Hyatt properties enforce strictly). One Andaz Tokyo guest confirmed: "Front desk asked for badge, business card and email." Globally averaged: Medium."

"We are pleased to note you have a future reservation on xxxxxx, 2010 made through hyatt.com. I do kindly ask that you bring your valid working ID in order for us to be able to confirm the corporate rate at time of check-in which will be cross referenced with the company. Unfortunately of late we have been experiencing misuse of some of our corporate rates, with your company a target and we have had to implement tighter controls in this regard."

"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..."