To benefit our customers who process recurring transaction, Realex Payments have integrated Visa Account Updater and the MasterCard equivalent, Billing Account Updater.  VAU and ABU enable the electronic exchange of updated account information for recurring billing.   This service helps avoid disruption in customer relationships and recurring payments by keeping recurring customer information up to date with any account changes.  An average of 30% of accounts per year will incur a change to account numbers or expiration date.  VAU / ABU provides updated account information to merchants so that recurring transactions can continue without interruption.