The requirements for defending against disputes vary depending on the reason for the dispute. For all types of disputes, you must provide documents with details of transactions to help you build a strong case to challenge the dispute.
Meeting the defense requirements does not guarantee that you will win.General requirements
When you defend a dispute, you have to upload one or more defense documents. The number of required defense documents differs per dispute type.
Supply defense documents in the following file formats:
JPG (maximum file size 10 MB)
TIFF (maximum file size 10 MB)
PDF (maximum file size 2 MB)
Specific requirements:
For Diners and Discover, the maximum file size is 3 MB.
For Mastercard, the maximum number of pages for a chargeback defense document is 19.
Klarna only accepts defense documents in PDF format.
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