Indiana Code Title 9. Motor Vehicles § 9-28-4-6

Sec. 6. (a) The department of state revenue, on behalf of the state, may enter into reciprocal agreements providing for the registration of vehicles on an apportionment or allocation basis with the proper authority of any state, any commonwealth, the District of Columbia, a state or province of a foreign country, or a territory or possession of either the United States or of a foreign country.

(b) To implement this chapter, the state may enter into and become a member of the International Registration Plan or other designation that may be given to a reciprocity plan developed by the American Association of Motor Vehicle Administrators.

(c) The department of state revenue may adopt rules under IC 4-22-2 to carry out and enforce the provisions of the International Registration Plan or any other agreement entered into under this chapter.

(d) If the state enters into the International Registration Plan or into any other agreement under this chapter, and if the provisions set forth in the plan or other agreements are different from provisions prescribed by law, then the agreement provisions prevail.

(e) All payments for the renewal of a fleet of vehicles previously registered under the International Registration Plan are due on or before the fifteenth day of the last month of the registration period preceding the period being renewed.

(f) All payments for billings, other than renewal, issued under the International Registration Plan are due within fifteen (15) days after the mailing date on the billing unless stated otherwise.

(g) This chapter constitutes complete authority for the registration of vehicles, including the registration of fleet vehicles, upon an apportionment or allocation basis without reference to or application of any other Indiana law.

(h) A person who fails to comply with subsections (e) and (f), is subject to the penalties and interest imposed under IC 6-8.1-10.