# Cancel an issued invoice

<p class="callout danger">If invoice has already been issued and sent to customer, you need to issue a new credit note. You should not modify already sent invoices!</p>

1. Open the problematic **issued** **invoice** and remove all of its **items**.
2. Update the **shipping** and **financing** costs to **zero**.
3. Change status of the **issued invoice** to **canceled**.
4. Change invoice's **delivery note** status to **canceled.**
5. Delete **shipping list**:  
    [![image.png](https://how-to-erp.dewesoft.com/uploads/images/gallery/2024-03/scaled-1680-/ixRimage.png)](https://how-to-erp.dewesoft.com/uploads/images/gallery/2024-03/ixRimage.png)
6. Delete **packing list** (flow is the same as for deleting shipping list)
7. Go to the **Packing work order** and open it's **material flow.**
8. Find all of the write-off documents:   
    [![image.png](https://how-to-erp.dewesoft.com/uploads/images/gallery/2024-03/scaled-1680-/BAuimage.png)](https://how-to-erp.dewesoft.com/uploads/images/gallery/2024-03/BAuimage.png)
9. Open each write-off and cancel it (this will remove write-off transactions from database):
    
    [![image.png](https://how-to-erp.dewesoft.com/uploads/images/gallery/2024-03/scaled-1680-/8P3image.png)](https://how-to-erp.dewesoft.com/uploads/images/gallery/2024-03/8P3image.png)
10. Material is now back on packing work order. Do with it what is necessary.