...
Using this tab, you can enter the beginning balances of revenues that were deferred and not completely recognized on the date of start operation in the application.
The Opening Balances Entering (create) document. The Deferred Revenues tab
...
The Project column is available if the Project Costing functionality is enabled on the Administration > Settings > General Settings form. You can specify the project associated with this deferral.
If the Enable Project Tasks option is selected on the Administration > Settings > Project Costing form, in the Project Task field (which becomes available) you can specify the particular task of the project to which this balance is related.
In the Revenue GL Account column select an revenue account for recording the monthly revenues.
...