Versions of Indiana Code 6-8.1-17-1. \"Income tax return\" on LawServer 2023 Indiana Code 6-8.1-17-1. “Income tax return” 2022 Indiana Code 6-8.1-17-1. “Income tax return” 2021 Indiana Code 6-8.1-17-1. “Income tax return” 2020 Indiana Code 6-8.1-17-1. “Income tax return” 2019 Indiana Code 6-8.1-17-1. “Income tax return” 2018 Indiana Code 6-8.1-17-1. “Income tax return”