Ind. Code § 8-2.1-24-20

Sec. 20. Before a motor carrier engaged in the transportation of property or passengers for compensation may operate a motor vehicle upon a public highway providing intrastate transportation, the motor carrier must be properly registered as required under the unified carrier registration system in accordance with rules adopted by the department under IC 4-22-2. This section does not apply to a person exclusively engaged in the private transportation of nonhazardous property.