Versions of Iowa Code 310.3 - Funds on LawServer 2024 Iowa Code 310.3 – Farm-to-market road fund 2023 Iowa Code 310.3 – Funds 2022 Iowa Code 310.3 – Funds 2020 Iowa Code 310.3 – Funds 2018 Iowa Code 310.3 – Funds 2016 Iowa Code 310.3 – Funds 2014 Iowa Code 310.3 – Funds. 2009 Iowa Code 310.3 – Funds