Versions of Indiana Code 6-3.1-11-17. Carryover of excess credit; carryback or refund of unused credit barred on LawServer 2023 Indiana Code 6-3.1-11-17. Carryover of excess credit; carryback or refund of unused credit barred 2022 Indiana Code 6-3.1-11-17. Carryover of excess credit; carryback or refund of unused credit barred 2021 Indiana Code 6-3.1-11-17. Carryover of excess credit; carryback or refund of unused credit barred 2020 Indiana Code 6-3.1-11-17. Carryover of excess credit; carryback or refund of unused credit barred 2019 Indiana Code 6-3.1-11-17. Carryover of excess credit; carryback or refund of unused credit barred 2018 Indiana Code 6-3.1-11-17. Carryover of excess credit; carryback or refund of unused credit barred 2017 Indiana Code 6-3.1-11-17. Carryover of excess credit; carryback or refund of unused credit barred 2016 Indiana Code 6-3.1-11-17. Carryover of excess credit; carryback or refund of unused credit barred 2015 Indiana Code 6-3.1-11-17. Carryover of excess credit; carryback or refund of unused credit barred 2014 Indiana Code 6-3.1-11-17. Carryover of excess credit; carryback or refund of unused credit barred 2013 Indiana Code 6-3.1-11-17. Carryover of excess credit; carryback or refund of unused credit barred 2009 Indiana Code 6-3.1-11-17. Carryover of excess credit; carryback or refund of unused credit barred