When Billing is turned on, the commands when viewing the case are expanded:
The new commands are as follows:
The charges are displayed in the Time Sheet format:
You can modify any of the charges as you would do in the Time Sheet.
The invoices are displayed in a multiple grid view:
The top grid shows all the invoices. Note that balance forwards are shown with an asterisk before the invoice number. Clicking on any invoice shows the detail on the lower right grid. Payments are shown in the lower left grid.
And a full running ledger can be seen in the History tab: