Versions of Iowa Code 518A.35 - Annual tax on LawServer 2024 Iowa Code 518A.35 – Annual tax 2023 Iowa Code 518A.35 – Annual tax 2022 Iowa Code 518A.35 – Annual tax 2020 Iowa Code 518A.35 – Annual tax 2018 Iowa Code 518A.35 – Annual tax 2016 Iowa Code 518A.35 – Annual tax 2014 Iowa Code 518A.35 – Annual tax. 2009 Iowa Code 518A.35 – Annual tax