To mark charges unbillable, click Go for "Manage Unbillables" on the billing period home page first, then click Go button for "Mark Charges Unbillable" on the next page.
You will see a list of Cost Objects:
To mark charges unbillable, click Go for "Manage Unbillables" on the billing period home page first, then click Go button for "Mark Charges Unbillable" on the next page.
You will see a list of Cost Objects: