When Goods Return, the Document Goes in Reverse
How to Issue a Return Invoice?
The buyer, not the seller, issues the return invoice. We explained who should issue it, why the VAT rate must remain the same, and what to do if the customer is not a taxpayer.

The goods you sold have been returned. The invoice has been issued, VAT has been declared, and stock has been deducted. Now, all of these need to be reversed.
The way to do this is not to delete the original invoice, but to issue a second document in the reverse direction.
Who issues the document?
The return invoice is issued by the party returning the goods, which is the buyer. The logic is simple: a return is treated as a sale made by the buyer to the seller.
In other words, your customer issues an invoice to you. You record this as a purchase invoice, take it back into your inventory, and write the VAT to your deductible account.
This is a rule that may sound counterintuitive at first, but it keeps the entire system consistent. A seller cannot re-issue an invoice they previously created with a "minus" amount.
Things to consider in a return invoice
The VAT rate does not change. The rate on the return invoice must be the same as the rate on the original invoice. Even if the rate has changed in the time elapsed, the rate on the date the sale was made applies.
The unit price also does not change. If you sold the product for 100 TL, the return is processed over 100 TL. If the price is different, this is not a return, but a new transaction.
Provide a reference. Write the number and date of the original invoice in the description of the return invoice. This is the first thing asked during audits and reconciliations.
Partial returns are possible. If three out of ten products sold are returned, the return invoice is issued for three units; the sale of the remaining seven units remains valid.
If the customer is not a taxpayer
In returns from final consumers, the buyer cannot issue an invoice. In this case, the seller issues an expense receipt to document the return.
In retail and e-commerce, this is the standard way of handling returns. We explained how it is issued in our expense receipt article.
In some cases, complete cancellation of the invoice may be an option instead of a return; if you are within the timeframe, the cancellation and objection process offers a cleaner solution.
The impact of returns on preliminary accounting
When a return is processed, three records must be corrected simultaneously: inventory re-enters, the current account balance decreases, and the VAT is written to the deductible side. If any of these are skipped, the balance is disrupted.
The most frequently skipped step is inventory entry. The product physically sits in the warehouse, but appears sold in the system, causing discrepancies during stock counts. We covered this topic in the preventing stock tracking errors article.
Since the return rate is high in e-commerce, this procedure is even more critical. The common mistakes in e-commerce accounting article completes this topic.
Frequently asked questions
Is there a time limit for a return invoice?
Unlike cancellations, the 8-day objection period does not apply to return invoices. However, it is best to issue it as soon as possible regarding period closings.
Can I issue a negative-amount invoice instead of a return?
No. Issuing an invoice with a negative amount is not an accepted method.
How is the return of a product damaged in shipping handled?
The document process works the same way. If the shipping company is responsible for the damage, this is a separate compensation issue and does not affect the return invoice.
Must a return invoice be an e-invoice?
If the issuing party is an e-invoice taxpayer and you are as well, it is issued as an e-invoice. Taxpayer status determines the document type.
Returns are a natural part of the system. Knowing who will issue the document and correcting all three records together eliminates the need for subsequent corrective work.
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