Indiana Code Title 24. Trade Regulation § 24-4-9-17

(1) may not offer, display, quote, or advertise and charge in a rental agreement a periodic rate that does not include the entire amount to be charged, except for taxes, airport fees, and mileage, if any, that a renter must pay to rent the vehicle for the period of time to which the rate applies;

(2) shall clearly and conspicuously disclose in any visual or oral advertisement or quotation transmitting computer system in which the rental company presents its rate, the terms of any mileage conditions relating to the advertised or quoted rate, including but not limited to, to the extent applicable, the amount of mileage, the number of miles for which no charges will be imposed, and a description of geographic driving limitations within the United States;

(3) may not charge, in addition to the rental rate, taxes, airport fees, and mileage charge, if any, any fee that must be paid by the renter as a condition of renting the vehicle, such as, but not limited to, required fuel surcharges, or any fee for transporting the renter to the location where the rented vehicle will be delivered to the renter;  and

(4) shall separately disclose, charge, and remit to an airport any fee that is charged to the customer and is required to be fully remitted to an airport's management entity, and such fee shall be considered part of and included in the definition of gross concession revenue reported to the airport's management authority.