A system and method are disclosed for applying a rebate or promotion associated with a transaction account. Offer information representing an offer for a promotion or rebate provided to a purchaser is received, and at least some of the offer information is processed to associate the purchaser with at least one transaction account. Account information representing the at least one transaction account associated with the purchaser is transmitted to a computing device associated with the first party. Transaction information representing a transaction associated with the offer information and the account information is received from a computing device associated with the first party or a second party, and is processed to associate the transaction with the transaction account associated with the purchaser and the promotion or rebate. The rebate or promotion is applied as a function of the transaction information.