Step 1) If you are a merchant, we ask that you first contact the acquirer or processor. Please refer to your statement for contact information.
Cardholder or prospective cardholder with an inquiry, we invite you to first contact the financial institution listed on the back of your credit or debit card.
Step 2) If after your acquirer, processor or financial institution, you feel your inquiry has not been resolved to your satisfaction, Mastercard invites you to fill out a Code of Conduct inquiries form located on Mastercard's website at:
http://www.mastercard.com/ca/company/en/codeconduct.html
Third-party complaint-handling process for this institution:
N/A
Not Available
