Yes, when disputing a transaction or requesting a refund, it's important to provide all relevant details of the DuitNow Cross-Border QR transaction, including the date and time of the transaction, any receipt or reference number, and merchant details.

Additionally, you should include any supporting evidence like screenshots and a clear explanation of the reason for the dispute. This documentation will be crucial in substantiating your claim and assisting your Bank or e-Wallet issuer in resolving the issue efficiently.