This block displays several fields on a timeslip to record mileage and tolls.
Mileage, Mileage Rate (default), Toll Description, Total Toll(s) Paid, and Total Value of Mileage/Toll(s).
* Default Mileage Rate
* Show Toll Description
* Create Billing Entry - the Billable field must also be on the form, and be Yes when the form is saved to create an entry