refund document refund proof What should my "proof of the original transaction" look like? Updated July 02, 2026 06:11 Bank ReceiptBank StatementSWIFT MT103PACS008 Was this article helpful? Yes No Related articles What is “proof of the original transaction”? I'm having trouble uploading or submitting my refund documents to Flywire. What should I do? Why does Flywire need my account details for a refund? How does the refund process work? How long does it take to receive a refund?