Within Teamwork, you can edit invoices on your projects and change the details or remove items.
Go to the Finance area of your project and select the Billing subsection.
Select the relevant invoice from the left pane to view it.
To edit the invoice, click the edit pencil icon at the top the invoice.
When you click edit, a modal will open where you can update the invoice details.
In order to edit a completed invoice, you will first need to reopen the invoice. To reopen, select Reopen Invoice box at the bottom of the completed invoice.
For more information, see: Adding an Invoice