Ind. Code § 24-4-9-14
(a) The total amount of the renter's liability to the rental company resulting from damage to the rented vehicle may not exceed the sum of the following:
(2) The estimated cost of labor to replace damaged vehicle parts, which may not exceed the product of:
(B) the estimated time for replacement;
less all discounts and price reductions or adjustments that will be received by the rental company.
(3) The estimated cost of labor to repair damaged vehicle parts, which may not exceed the lesser of the following:
(B) The sum of the estimated labor and parts costs determined under subdivisions (1) and (2) to replace the same vehicle parts.
All discounts and price reductions or adjustments that will be received by the rental company must be taken into account in determining the figure under this subdivision.
(4) Except as otherwise provided for, the loss of the use of the rented vehicle, which may not exceed the product of:
(b) Under any circumstances described in this chapter, liability for the rental company's loss of use of the rented vehicle may not exceed the product of:
(2) eighty percent (80%) of the period from the date of the accident to the date the vehicle is ready to be returned to rental service.
However, a renter is not liable to a rental company for the loss of use of a damaged vehicle unless the rental company uses its best efforts to effect repairs and return the vehicle to rental service.
(c) The administrative charge described in section 13(9) of this chapter may not exceed:
As added by P.L.232-1989, SEC.1. Amended by P.L.70-2003, SEC.2; P.L.109-2015, SEC.44; P.L.126-2015, SEC.2.