Ind. Code § 6-6-12-5
(b) After June 30, 2014, a carrier that consumes compressed natural gas to propel a vehicle described in IC 6-6-4.1-2 (a) may claim a credit against the road taxes imposed upon the carrier's consumption of compressed natural gas in the previous calendar quarter. A carrier must claim the credit in the manner prescribed under section 7 of this chapter before the following due dates:
As added by P.L.277-2013, SEC.14. Amended by P.L.212-2014, SEC.7.