Sec. 14. (a) The department, on behalf of the state, may enter into and become a member of the International Fuel Tax Agreement or other reciprocal agreements providing for the imposition of motor fuel taxes 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) The department may adopt rules under IC 4-22-2 to carry out and enforce the provisions of the International Fuel Tax Agreement or any other agreement entered into under this section.
(c) If the department enters into the International Fuel Tax Agreement or into any other agreement under this chapter, and if the provisions set forth in that agreement or other agreements:
(1) are different from provisions prescribed by an Indiana statute, then the provisions of the Indiana statute prevail; and
(2) are different from provisions prescribed by the Indiana Administrative Code, then the provisions of the agreement prevail.
This subsection does not affect the operation of IC 6-6-4.1-22, IC 6-6-4.1-23, IC 6-6-4.1-24, IC 6-6-4.1-25, or IC 6-6-4.1-26.
(d) This section constitutes complete authority for the imposition of motor fuel taxes upon an apportionment or allocation basis without reference to or application of any other statutes of this state.