Dispute notification 2026

1. Click ‘Get Form’ to open the Mastercard Cardholder Dispute Notification form in the editor.
2. Begin by entering your impacted debit card number and cardholder name in the designated fields. Ensure accuracy for a smooth process.
3. Provide your contact information, including phone number and optional email address, so we can reach you if further details are needed.
4. Specify the merchant name and the amount posted to your account. If disputing multiple items, indicate this clearly.
5. Select the statement that best describes your dispute from the options provided. Use the Additional Comments section to elaborate on your situation.
6. Attach any supporting documentation that validates your claim, such as correspondence with the merchant or receipts.
7. Review all entered information for completeness before signing and dating the form. Submit it via fax or mail as instructed.

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