- Click ‘Trading’ on the navigation bar.
- Click ‘Invoice’ on the drop-down menu.
- Click the invoice number to go into the invoice.
- Click ‘Edit’.
- Adjust/ Enter the relevant details.
- Click ‘Save’.
Note: If the invoice has been posted you will need to ‘Unpost’ the invoice. To complete this process; follow the ‘Unpost An Invoice’ guide.