---
title: "Delete an invoice"
url: "https://aide.sigabill.siga.net/en/article/new-article-172fe99e-9b19-4946-abd1-a3cffa9be9c5"
language: "en"
last_updated: "2026-10-13T20:00:24.710Z"
---

# Delete an invoice

It is possible to delete an unlocked invoice without leaving a trace. A locked invoice cannot be deleted, but a cancellation invoice (reversing the original invoice) will be automatically generated upon confirmation of the deletion.

![](https://cdn-assets.productfruits.com/2a1c310c-25a5-4442-b9a8-c4608f001228)

### To delete an unlocked invoice

1.  Go to the menu **Billing**
2.  Select the item "**Invoice list**
3.  Double-click on the desired invoice
4.  Click on the button Delete
5.  **Confirm deletion**

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### To delete a locked invoice

1.  Go to the menu **Billing**
2.  Select the item "**Invoice list**
3.  Double-click on the desired invoice
4.  Click on the button Delete
5.  **Confirm deletion;** a new invoice with opposite amounts and the same date will be added to cancel the original invoice.

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![logo](https://intranet.siga.net/HELP/Sigabill/production/HTML/Images/logo.png)Sigabill is an application developed by SIGA Informatique 2000 Inc.,