Search for the members’ account by following the directions here. Then, select View. This will take you here:
Select the Accounting tab. This will take you here:
Select the invoice that you wish to edit. A pop up will appear that looks like this:
Select the green button titled Edit in the top right corner. This will take you here:
You can add a line item to the invoice by select the green button titled +Add and selecting desired items.
You can remove items from the invoice by selecting the red trashcan to the right of the line items within the box titled Invoice # [number] [User Name].