Check the other thread. Someone called today and was told ID was required, which is what I was told a month ago when I stumbled over the code. I suppose National reps are alot like Disney CM's - different answers depending on who you call. I woud just hate to be asked for the ID and then be stuck paying rack rate at the time of rental. I travel for business and make last minute rentals or changes, all of which are very expensive. I hate being a negative Nilly but I know how I would feel if I was flagged for ID, not to mention DH going through the roof!!! Be careful with a back up ressie also because someone posted that $50 will be charged to yur credit card if you have two reservations at the time you pick uop your car. Then again, if the rate with this code is saving you more than $50, it may be worth the risk of being charged $50. For me, it is just too much hassle to worry about.