US Patent 8160922 Method and system for making donations to charitable entities

A method and system for making a donation to a third party, wherein a user executes a purchase transaction using a card linked to a reward point account If a user donation is desired, then the user's reward point account is decreased and corresponding value is transferred to a designated third party as a donation. In another aspect referred to as “topping off”, the donation amount is the difference between the tender amount and the purchase amount, and is transferred to a designated third party as a donation to the third party in lieu of providing change for the transaction back to the user.