The first step is to verify the invoice format associated with your project.  To check this, navigate to the Project Profile, then left menu Billing > Invoice Setup and look for the Primary Invoice Format.

Next, go to Admin > Setup > Accounting > Invoice Format > and edit the invoice format associated to the project.  Verify that 'Show Project Code' and\or 'Project Title' are selected.


Click here to go to the Knowledge Center for the full article.