To defend a chargeback claim on your account, there are guidelines to upload documents.

• Proof of Transaction: for example, Proof Of Delivery, Invoice
• Documents must be in English.
• Acceptable formats and file sizes are JPG, TIFF (max. 10MB) or PDF (max. 2MB).
• For best results, the original document should either be A4 (21 x 29.7cm) or US Letter (8.5 x 11″).