"The AMX code for American Express employees is widely circulated. Community members note that "neither Amex Platinum nor Amex Bonvoy cardholders have any special corporate codes — this is strictly for Amex employees." Hotel staff may require employee verification. No specific denial cases documented, but risk noted as moderate given Amex's large employee headcount makes staff less suspicious of claimants."

"I have been asked to show some proof couple of times. I normally show my corp id but credit card with employers name on it has worked, too. As would probably just showing my laptop with employer e-mail account or whatever. My impression has been they are happy with just about anything that proves I'm working for the company whose rate I use and why wouldn't they."

"I do security for a Marriott Hotel in Miami and when it comes to guests being disrespectful like cursing, and/or getting physical with employees or furniture, the front desk calls security. We get there and we gives two warnings. If they continue to curse or be any type of physical, we throw they ass out the hotel as an eviction. We dont play that shit here in Miami."