This chapter applies to the following counties:

1. (1) A county having a population of more than four hundred fifty thousand (450,000) and less than seven hundred thousand (700,000).
2. (2) A county having a population of more than one hundred eighty-five thousand (185,000) and less than three hundred thousand (300,000) that opts in to the system of county government as described in IC 36-2-2-4 (c).

3. (3) Any other county not having a consolidated city, if both the county executive and the county fiscal body adopt identical ordinances providing for the county to be governed by this chapter beginning on a specified effective date.

   [Pre-Local Government Recodification Citation: 17-1-28-1 part.]

   As added by Acts 1981, P.L.11, SEC.147. Amended by Acts 1981, P.L.307, SEC.1; P.L.12-1992, SEC.154; P.L.119-2012, SEC.183; P.L.104-2022, SEC.151; P.L.201-2023, SEC.270; P.L.230-2025, SEC.141.