IU is tax exempt. It is the cardholder s responsibility to ensure that tax is not charged. If you are charged tax, the procedure is to contact the vendor and request a credit for that amount. Only the authorized cardholder may use the card. Delegation of authority is not permitted unless your card is issued in the name of your department.
Merchants require that the signature on the card match the signature on the receipt.
In general, your MasterCard should be used in a responsible manner and should be used only for those purchases that are in the best interest of the University.