You will need to log in to your AMEX account, go to 'Offers and Places' then save this offer to your card to redeem. Combined with Target's fantastic sale offers, this is a great deal!
Spend $50 or more in one or more transactions at Target instore or online by 15 July 2014 and get one $10 credit. Limited to the first 15,000 Cards to register for the offer.