{"data":{"id":"us-in/ic-6-6-1.6-3","jurisdiction":"us-in","citation":"IC 6-6-1.6-3","heading":"Calculation of annual index factors","body":"Sec. 3. (a) The department shall calculate an annual index factor to be used for the rate to take effect each July 1 beginning in 2018 through July 1, 2027. The department shall determine the index factor before June 1 of each year using the method described in subsection (b).\n(b) The annual gasoline tax index factor and special fuel index factor equals the following:\nSTEP ONE: Divide the annual CPI-U for the year preceding the determination year by the annual CPI-U for the year immediately preceding that year.\nSTEP TWO: Divide the annual IPI for the year preceding the determination year by the annual IPI for the year immediately preceding that year.\nSTEP THREE: Add:\n(A) the STEP ONE result; and\n(B) the STEP TWO result.\nSTEP FOUR: Divide the STEP THREE result by two (2).\n(c) If the CPI-U or IPI for a preceding year is revised, corrected, or updated after May 31 of that year, the department shall use the CPI-U or IPI as published for the preceding year prior to revision.","path":["TITLE 6. TAXATION","ARTICLE 6. MOTOR FUEL AND VEHICLE EXCISE TAXES","Chapter 1.6. Fuel Tax Index Factors"],"source_url":"https://iga.in.gov/ic/2026/Title_6.html#6-6-1.6-3","current_through":"2026","vintage":"2026","retrieved_at":"2026-09-09T01:51:39Z","sha256":"5ea18644e7a45e5be8676c888e9e9bdac29e67a7fd26cc0bf13c68a60dd833af","source_id":"us-in","stale":false,"prev":"us-in/ic-6-6-1.6-2","next":"us-in/ic-6-6-2.5-1"},"notice":"GroundRules: Original legal text. Not legal advice."}