A system and method for processing transactions using a multi-account transaction device. The method comprises the steps of: receiving at least one transaction particular relating to a transaction conducted with a multi-account transaction device; determining at least one first desired account associated with the multi-account transaction device to which the transaction will be posted; posting the transaction to the at least one first desired account; receiving at least one second desired account to which at least a portion of the transaction should be posted; posting the at least a portion of the transaction to the at least one second desired account; and reconciling the at least one first desired account.