This topic describes the specific functionality available for an Invoice in case the Enable Items of Work Type in Sales Documents option is selected on the Administration > Settings > Sales form and the Enable the Phased Revenue Recognition functionality option is selected on the Administration > Settings > General Settings form.
If the Phased Revenue Recognition functionality is not used in your system, but the only the Enable Items of Work Type in Sales Documents option is selected on the Administration > Settings > Sales form, you can include items of Work type in the list of sold items.
If also the Phased Revenue Recognition functionality is used in your system, you can bill the customer for the works performed to fulfill all your contract liabilities including the works recognized earlier and the works currently unrecognized and specify the related costs to be recognized by this invoice as well as costs recognized earlier.
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