2024 51 USC 30101 – Prior authorization of appropriations required

2023 51 USC 30101 – Prior authorization of appropriations required

2022 51 USC 30101 – Prior authorization of appropriations required

2021 51 USC 30101 – Prior authorization of appropriations required

2020 51 USC 30101 – Prior authorization of appropriations required

2018 51 USC 30101 – Prior authorization of appropriations required

2017 51 USC 30101 – Prior authorization of appropriations required

2015 51 USC 30101 – Prior authorization of appropriations required

2014 51 USC 30101 – Prior authorization of appropriations required