2024 44 USC 1721 – Exchange of documents by heads of departments

2023 44 USC 1721 – Exchange of documents by heads of departments

2022 44 USC 1721 – Exchange of documents by heads of departments

2021 44 USC 1721 – Exchange of documents by heads of departments

2020 44 USC 1721 – Exchange of documents by heads of departments

2018 44 USC 1721 – Exchange of documents by heads of departments

2017 44 USC 1721 – Exchange of documents by heads of departments

2015 44 USC 1721 – Exchange of documents by heads of departments

2014 44 USC 1721 – Exchange of documents by heads of departments

2013 44 USC 1721 – Exchange of documents by heads of departments

2012 44 USC 1721 – Exchange of documents by heads of departments

2010 44 USC 1721 – Exchange of documents by heads of departments