This guide shows you how to change the payment date on a bill that is already registered as paid.
The payment date is the date on which you have registered that you have paid your supplier.
- First, select the bill.
- Click on the small bank icon

- Click on the red void button

- Then, click on Yes, void the payment

A confirmation will be then showing up in red. Go back to your bill (which is linked under the description).
- Press register payment

- Insert the new date
- Click on Register
You have now changed the payment date on the invoice.