Payment Card Industry - Data Security Standard (PCI DSS) is a mandatory compliance initiative driven by VISA and Mastercard to govern the way merchants store, process or transmit cardholder data. One of their primary objectives is to develop a more secure system. To assist customers in becoming PCI compliant several changes have been made to how AccountEdge software processes credit cards including the removal of stored credit card numbers. Please read New Features if you are currently processing credit cards.