2024 40 USC 503 – Exchange or sale of similar items

2023 40 USC 503 – Exchange or sale of similar items

2022 40 USC 503 – Exchange or sale of similar items

2021 40 USC 503 – Exchange or sale of similar items

2020 40 USC 503 – Exchange or sale of similar items

2018 40 USC 503 – Exchange or sale of similar items

2017 40 USC 503 – Exchange or sale of similar items

2015 40 USC 503 – Exchange or sale of similar items

2014 40 USC 503 – Exchange or sale of similar items

2013 40 USC 503 – Exchange or sale of similar items

2012 40 USC 503 – Exchange or sale of similar items

2010 40 USC 503 – Exchange or sale of similar items