There are cases when you need to change an invoice that is already approved.
1. Click on the Invoice # to open the invoice you want to choose.
2. Click on Actions and then "Change Invoice". If you don't see this action, please check with your system administrator to ensure you have access to this.
3. After making the changes click on the "Update" button at the bottom of the screen.
4. Then click on "Send for Integration" to sync the invoice with your accounting system.