Indiana Code Title 28. Financial Institutions § 28-11-1-13.5

Sec. 13.5. (a) The department may accept payment of any of the following by credit card, debit card, charge card, or similar method:

(b) If a fee or penalty described in subsection (a) is paid by credit card, debit card, charge card, or similar method, the liability is not finally discharged until the department receives payment or credit from the institution responsible for making the payment or credit.

(c) The department may contract with a bank or credit card vendor for acceptance of bank or credit cards.  If there is a vendor transaction charge or discount fee, whether billed to the department or charged directly to the department's account, the department or the bank or credit card vendor may collect from the person using the bank or credit card a uniform fee that is determined by the department.