Mastercard requires cardholders to make a good faith attempt to resolve disputes with the merchant before proceeding with a claim. If that doesn’t work, please complete a Cardholder Dispute - Transaction/ATM Error Form under Secure Forms in Online Banking. You may also reach out to us at 866.873.4968 or visit one of our branches for additional assistance.
Online banking > Secure Forms > Card Services > Cardholder Dispute - Transaction/ATM Error
Cardholder Dispute Form
