At a few major department stores visitors from out of town can ring up a special discount as a shopping incentive. If you show identification to prove you live outside New York State, you're eligible for a markdown. Score one for the tourist team!
Bloomingdale's: go to the visitor center on the balcony level between the ground and second floors. With your out-of-town ID you'll get a card for an 11% discount on all purchases bought that day. You can apply for this card on any given visit.
Lord & Taylor: hit the ground-floor information desk to pick up a coupon for 15% off that day's purchases.
Macy's: stop by the visitor center on the balcony level between the ground and second floors for an out-of-state 11% discount voucher. The coupon is valid for five days for U.S. visitors and one month for international visitors.