2024 Iowa Code 422.11Y – E-15 plus gasoline promotion tax credit

2023 Iowa Code 422.11Y – E-15 plus gasoline promotion tax credit

2022 Iowa Code 422.11Y – E-15 plus gasoline promotion tax credit

2020 Iowa Code 422.11Y – E-15 plus gasoline promotion tax credit

2018 Iowa Code 422.11Y – E-15 plus gasoline promotion tax credit

2016 Iowa Code 422.11Y – E-15 plus gasoline promotion tax credit

2014 Iowa Code 422.11Y – E-15 plus gasoline promotion tax credit.