Ind. Code § 6-1.1-18.5-2
(b) For purposes of determining a civil taxing unit's maximum permissible ad valorem property tax levy for an ensuing calendar year, the civil taxing unit shall use the assessed value growth quotient determined in the last STEP of the following STEPS:
STEP ONE: For each of the six (6) calendar years immediately preceding the year in which a budget is adopted under IC 6-1.1-17-5 for the ensuing calendar year, divide the Indiana nonfarm personal income for the calendar year by the Indiana nonfarm personal income for the calendar year immediately preceding that calendar year, rounding to the nearest one-thousandth (0.001).
STEP TWO: Determine the sum of the STEP ONE results.
STEP THREE: Divide the STEP TWO result by six (6), rounding to the nearest one-thousandth (0.001).
STEP FOUR: Determine the lesser of the following:
As added by P.L.73-1983, SEC.1. Amended by P.L.44-1984, SEC.1; P.L.198-2001, SEC.52; P.L.192-2002(ss), SEC.35; P.L.224-2007, SEC.19; P.L.1-2008, SEC.3; P.L.230-2013, SEC.2; P.L.184-2016, SEC.14.