Ind. Code § 23-15-13-3
For purposes of this chapter, "total transaction amount" means the amount of the transaction prior to any tax imposed in addition to any tax imposed on the transaction and paid to the business entity, regardless of whether the tax is required to be separately stated or whether the business entity is an agent or trustee of a governmental entity. A tax under this section includes state or local taxes as defined in IC 5-36.5-1-4 and any amounts imposed by any other governmental entity other than a state or local unit.
As added by P.L.128-2026, SEC.106.