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For the citi prestige's 4th night free, does it only apply towards one room, lets say I go on vacation with a couple of my friends & we all charge it onto one credit card, would all the rooms be able to get that 4th night free or just the one i'm staying in?
Thanks
One room only. You need to book the room through Citi Concierge, and they will only book a single room for you during the same period of time.