2024 45 USC 152 – General duties

2023 45 USC 152 – General duties

2022 45 USC 152 – General duties

2021 45 USC 152 – General duties

2020 45 USC 152 – General duties

2018 45 USC 152 – General duties

2017 45 USC 152 – General duties

2015 45 USC 152 – General duties

2014 45 USC 152 – General duties

2013 45 USC 152 – General duties

2012 45 USC 152 – General duties

2010 45 USC 152 – General duties