Patent ID: 7448538

Claim:
A method for processing authorization requests in a card authorization system, comprising the steps of: receiving transaction information from a second party for authorization, wherein the transaction information includes a limited use Personal Identification Number (PIN), wherein the limited use PIN is created by: identifying a primary account having an associated account number; receiving from at least one of: an RFID transponder and a smartcard the limited use Personal Identification Number (PIN) that is configured to facilitate a transaction; associating the limited use PIN with the primary account; associating the limited use PIN with a notification response, wherein the notification response is associated with a notification response rule relating to who to notify if the limited use PIN is used; associating the limited use PIN with an emergency response, wherein the emergency response is associated with an emergency response rule relating to an emergency entity to notify if the limited use PIN is used; issuing the limited use PIN to a first party to facilitate a transaction with a second party; processing the transaction information with the card authorization system, wherein the card authorization system determines whether the transaction information includes the limited use PIN and interfaces with a limited use PIN system to determine whether authorization is appropriate, wherein authorization determination includes: receiving account information associated with the account number; and determining whether conditions of use parameters associated with the limited use PIN are satisfied, the conditions-of-use parameters defining at least a predetermined restriction on use of the limited use PIN; acquiring, from a database, the notification response rule corresponding to the limited use PIN; issuing said the notification response in accordance with said notification response rule; acquiring, from the database, the emergency response rule corresponding to the limited use PIN; issuing the emergency response in accordance with the emergency response rule; returning an appropriate approval code to the second party, if conditions of use parameters associated with the limited use PIN and the primary account are satisfied; and declining the authorization request if either the conditions of use parameters associated with the primary account and the limited use PIN are not satisfied.