Blog/Credit notes for Shopify refunds, automatically
InvoicingSeptember 12, 2026·5 min read

Credit notes for Shopify refunds, automatically

Every refund needs a credit note. Here is what changes between a partial and a full refund, what the customer receives, and how the numbering and bookkeeping work.

You refund an order in Shopify. The money goes back, the customer is happy, and your bookkeeping is wrong until you issue a credit note. Here is what that document is, what changes between a partial and a full refund, and how to stop making them by hand.

Why a refund needs a credit note

An invoice is a statement that a sale happened and VAT was charged. Paying the money back does not undo that statement. Only a second document does, and that document is the credit note.

Skip it and two things go wrong. Your revenue is too high, because the original invoice is still in your books at the full amount. And you pay VAT you have already returned to the customer, which you will not see again unless you correct the period later.

Full refunds

A full refund is the simple case. The credit note reverses the entire invoice: every line, the shipping and the VAT. It carries its own number, references the original invoice and shows the amounts as negative. In your books the sale and the credit cancel each other out, and the VAT for that quarter drops by the amount you refunded.

Partial refunds

Partial refunds are where mistakes happen. A customer keeps two items and sends one back, or you refund the shipping after a late delivery. The original invoice stays valid for the part the customer kept, and the credit note covers only what you actually paid back.

That means the credit note has to match the refund line by line, with VAT calculated per line at the rate on the original invoice. If you refund 20 euro of a 100 euro order, the credit note shows 20 euro and the VAT belonging to those 20 euro, not a share of the whole.

Refunding shipping works the same way: it becomes a line on the credit note with its own VAT.

What the customer receives

The customer gets an email with the credit note as a PDF. It uses credit note wording, not invoice wording, so nobody mistakes it for a second bill. It shows the original invoice number, the amounts being credited and the VAT, and it looks like the rest of your documents.

For business customers this matters. They need the credit note to correct their own VAT return, and sending it without being asked saves both sides an email.

Exchanges and replacements

Not every return ends in a refund. If a customer swaps an item for the same product in another size and no money moves, you do not need a credit note. Nothing about the sale changed.

If the replacement costs more or less and you settle the difference, you do need documents. The cleanest route is a credit note for the original order and a new invoice for what the customer actually keeps. Both documents then show reality, and your VAT follows the money in both directions.

Numbering

Credit notes belong in their own sequential series, separate from your invoices. Invoices run STORE-INV-0001 and up, credit notes run STORE-CR-0001 and up. Each series is complete on its own, which is exactly what an audit looks for. Every credit note names the invoice it corrects, so the trail runs both ways.

Bookkeeping

Book the credit note in the period of the refund, not in the period of the original sale. The VAT correction then lands in the quarter you actually paid the money back, which is also the quarter your payout shows it.

That gives your accountant three numbers that match: the invoice, the credit note and the payout line. When they line up, reconciliation takes minutes instead of an afternoon.

Three mistakes to avoid

Deleting the original invoice. A refunded sale did happen. Removing the invoice leaves a gap in your series and hides what took place. Credit it, do not delete it.

Crediting a round number. If the refund is 20 euro including VAT, the credit note has to split that into a net amount and a VAT amount at the right rate. A credit note showing only a total leaves your accountant guessing.

Waiting until the end of the quarter. Credit notes written weeks later in one batch never quite match the refunds in your payouts. Issue each one with the refund it belongs to.

How Marketplace Invoice does it

Refund an order in the Shopify admin, in full, and the credit note is created for you. It takes the next number in the credit series, references the original invoice, calculates VAT per refunded line and goes out to the customer by email. You never have to open the app to make it happen. Partial refunds are not credited automatically: for those you make the credit note yourself.

The credit notes sit next to your invoices, ready to download and to include in the VAT export you send your accountant at the end of the quarter.

Get started

Refunds are annoying enough. The paperwork after them does not have to be. Install on Shopify.

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Sjoerd Wesselink

Written by

Sjoerd Wesselink

Filmmaker turned product builder. Sjoerd runs a Shopify store himself and built Marketplace Invoice out of pure frustration with manual invoicing. Curiosity pulled him into product development, and now he splits his time between shipping features, shooting films, and finding new things in his business to automate.

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