New Mastercard Service Automatic Billing Updater is now available for your debit card November 1, 2017 – Decorah and Cresco – The Bank is a participant in MasterCard’s Automatic Billing Updater (ABU) Service. This new free service will allow participating merchants to receive your updated debit card information when you receive a new card for any reason. This service will save you from the hassle of manually updating your debit card information with the merchants that participate. Please refer to www.DecorahBank.com/Debit-Card for more details on what this service is and how it may impact you. If you wish to opt-out of this service, please contact Customer Support at (563) 387-5230 or visit one of our locations. *MasterCard ABU is available only to participating merchants who choose the frequency with which they check for updated payment information. To avoid late payments and penalties, check with your merchant to ensure your card information has been updated.