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Corrective invoices

Reviewed on 4 October 2026
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An issued invoice is not deleted or edited. When it has to be corrected, another one is issued that corrects it: a corrective invoice with negative amounts that links to the original. On OnBio they are issued on their own with each refund, full or partial. One is also issued when the OnBio team corrects a self-billed invoice you rejected.

Before you start

  • You do not have to prepare anything, because each refund issues its corrective invoice.
  • Check that you are the owner, the administration or accounting, the roles that see the invoices.

Approve a refund

Within the guarantee period, the buyer refunds themselves and the corrective invoice goes out without you doing anything. After the guarantee, the refund arrives as a request and the corrective invoice goes out when you approve it.

  1. 1. Open Refunds in the side menu.
  2. 2. Find the request in Pending.
  3. 3. Select Approve on its row.

Find the corrective invoice

Invoices of Lucía Navarro Nutrición with the sale in her name of the consultation to Elena Ruiz and the OnBio commission.
  1. 1. Open Invoices in the side menu.
  2. 2. Look for the invoice with the type Corrective or Simplified corrective.
  3. 3. Select the invoice to see which invoice it corrects.

What happens next

The original invoice appears as Corrected or Partly corrected, and the corrective invoice reaches the buyer by email. Its record goes to Verifactu like any other invoice.

Keep in mind

  • A simplified invoice is corrected with a simplified corrective invoice. A full or replacement invoice is corrected with a corrective invoice.
  • Two partial refunds of the same sale issue two corrective invoices. Together they never exceed what was invoiced.
  • The corrective invoices for your sales are from OnBio to its buyers and do not appear in your list. The refund is deducted from your self-billed invoice of that month.
  • If you reject a self-billed invoice and the OnBio team agrees with you, it issues a corrective self-billed invoice.

Frequently asked questions

Can I correct the name or the tax ID of an invoice?

Not by editing the invoice. If the buyer needs an invoice with their details, they ask for the full one from their member area and that invoice replaces the simplified one. If the mistake is in your tax details, correct them in Settings for the following invoices and write to OnBio from OnBio support for the ones already issued.

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