"General Motors' Hyatt code NC12964 is for one of the world's largest automakers. GM HQ is in Detroit MI — Hyatt Regency Detroit handles GM employees regularly. FlyerTalk's Hyatt verification pattern: 50% ID check rate across international stays, primarily at Park Hyatt and Grand Hyatt properties. Michigan/Detroit Hyatt properties are familiar with GM employee badges and may request them. US domestic Hyatt Place/House: minimal enforcement. No NC12964-specific denial documented."

"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 would strongly advise the use of a corporate discount code that you are not entitled to. No doubt that IBM would receive a summary of all reservations made under their code and at what property, and no doubt lurkers on here would be well aware of unauthorised use. In essence it amounds to fraud and I would not want IBM or Hyatt's legal department against me."