Versions of Iowa Code 99B.31 - Amusement concessions on LawServer 2024 Iowa Code 99B.31 – Amusement concessions 2023 Iowa Code 99B.31 – Amusement concessions 2022 Iowa Code 99B.31 – Amusement concessions 2020 Iowa Code 99B.31 – Amusement concessions 2018 Iowa Code 99B.31 – Amusement concessions 2016 Iowa Code 99B.31 – Amusement concessions