Indiana Code Title 6. Taxation § 6-6-5-6.7

Sec. 6.7. (a) Every owner of a passenger motor vehicle or a light truck who during a registration year regularly rents the passenger motor vehicle or light truck for periods of under thirty (30) days to others in the regular course of the owner's business is entitled to a credit against the vehicle excise tax liability owed for the passenger motor vehicle or light truck for that registration year.

(b) The maximum credit that an owner is entitled to claim under this section against the vehicle excise tax owed for all the passenger motor vehicles and light trucks to which subsection (a) applies for a registration year equals the lesser of:

(c) A passenger motor vehicle or light truck is regularly rented by a person in the regular course of the person's business during a registration year if the passenger motor vehicle or light truck is rented by the person to another person an average of ten (10) days each month of the registration year that the person owned the passenger motor vehicle or light truck.