Remittance advice is a message from a customer telling you which invoices a payment covers, and how much of each it pays. It usually arrives by email or through a supplier portal, or as a short reference sent with the bank transfer itself. It doesn't appear on your invoice; it answers your invoice, and your invoice number is the reference it should quote. It matters most when one transfer settles several invoices at once, or pays less than the total because of a credit note or a disputed line. Example: a €1,450 transfer arrives with remittance advice listing INV-0107 (€1,210), INV-0112 (€600) and credit note CN-0012 (−€360). Common mistakes: spreading a lump-sum payment across the oldest invoices by guesswork instead of asking for the advice, and ignoring a short payment the advice explains, so the difference stays open in your books with no follow-up. It's informational, not a legal or tax document, so it doesn't replace a receipt or a credit note.
What is remittance advice?
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