You can now include [Time Description] as a merge token on a charge type to include an appended list of time descriptions on the invoice line narration. You can also add 'Consultant' as your own label on the invoice lines. For example, a Charge Type with the following Invoice Line Narration...
Consultant: [Employee Name]
Code: [Work Category Tracking Code]
...will create an invoice line like this:
Consultant: Joe Bloggs
Investigation into options
Documentation and research