The mileage rate covers all costs of automobile ownership, operation and maintenance, including insurance. This form is not required to complete your expense report but your agency may request it.What is Co-insurance? Life insurance and disability. The Select button will populate the new Expense Report with all of the expense lines from the approved Travel Authorization. Travel and Entertainment. â–» May I deduct meal expenses when visiting clients out of the office? If a rental car was used, the traveler must fill up the rental car prior to returning the car. " All you have to do is type in a zip code, city, or business name to get started. How much would it cost to arrange alternate travel plans in the event of a delay or setback?