Ind. Code § 6-9-53-4

Sec. 4. All of the provisions of IC 6-2.5 relating to rights, duties, liabilities, procedures, penalties, definitions, exemptions, and administration are applicable to the imposition and administration of the tax imposed under this section except to the extent those provisions are in conflict or inconsistent with the specific provisions of this chapter or the requirements of the county treasurer. The return to be filed for the payment of the tax under this section may be either a separate return or may be combined with the return filed for the payment of the state gross retail tax as the department of state revenue may, by rule, determine.