Update payable
From Protemos Wiki
You can update a payable by pressing the "Update" button on the Finances tab of the related project.
Or you may click on the payable code to open its details page:
It will open the Payable details page.
Press "Update" to display the payable update page:
Make the changes you need and press "Update" to confirm them:
Note: If the payable has been already invoiced, you cannot update or delete it without deleting the invoice first.