Whenever you process a key-entered credit card transaction, QuickBooks
verifies the cardholder's address by comparing the address you enter with
the customer's credit card bank records.
This check is carried out using the Address Verification Service (AVS).
Address verification helps merchants avoid credit card fraud and
chargebacks for transactions in which
the credit card is not physically present at the point of sale.
Will the results of the AVS check affect
whether the credit card transaction is approved?
Only ZIP code is required to complete the address verification check, but
you can include street address for extra protection against fraud and
chargebacks. For example, if a customer denies having made a particular credit
card purchase, showing the credit card company that you collected the
customer's street address may help prove that the charge was
About "card swiped" and
"key entered" transactions