2024 50 USC 493 – Authorization of appropriations

2023 50 USC 493 – Authorization of appropriations

2022 50 USC 493 – Authorization of appropriations

2021 50 USC 493 – Authorization of appropriations

2020 50 USC 493 – Authorization of appropriations

2018 50 USC 493 – Authorization of appropriations

2017 50 USC 493 – Authorization of appropriations

2015 50 USC 493 – Authorization of appropriations

2014 50 USC 493 – Authorization of appropriations

2013 50 USC 493 – Authorization of appropriations

2012 50 USC 493 – Authorization of appropriations

2010 50 USC 493 – Authorization of appropriations