Versions of Iowa Code 450.54 - Sale to pay tax on LawServer 2024 Iowa Code 450.54 – Sale to pay tax 2023 Iowa Code 450.54 – Sale to pay tax 2022 Iowa Code 450.54 – Sale to pay tax 2020 Iowa Code 450.54 – Sale to pay tax 2018 Iowa Code 450.54 – Sale to pay tax 2016 Iowa Code 450.54 – Sale to pay tax 2014 Iowa Code 450.54 – Sale to pay tax. 2009 Iowa Code 450.54 – Sale to pay tax