For more details: https://www.2checkout.com/ecommerce-resources What is the Address Confirmation System? A service used to confirm a cardholder’s billing address. How Does the Address Confirmation System Work? A system developed and maintained by Visa, the Address Confirmation System was designed to prevent deceitful activity by allowing a Merchant to confirm whether a charge card’s offered address matches the address in the Card Provider’s system. This system is specifically beneficial in circumstances where a buyer and a seller do not complete their Transaction personally, but online. Source
