holds those taxes in trust for the state and is personally liable for the payment of those taxes, plus any penalties and interest attributable to those taxes, to the state. If the individual knowingly fails to collect or remit those taxes to the state, the individual commits a Level 6 felony.
If the marketplace facilitator is relieved of liability under this subsection, the purchaser is liable for any amount of uncollected, unpaid, or unremitted tax.
IC 6-2.5-9-3