Home2017 Treaties and Agreements ...Brazil (17-322) – Defense Agreement Concerning Exchange of Research and Development Information hide Brazil (17-322) – Defense Agreement Concerning Exchange of Research and Development Information TIAS Office of Treaty Affairs March 22, 2017 Defense: Research and Development Agreement signed at Washington and Brasilia February 21 and March 22, 2017; entered into force March 22, 2017. With appendix. Download attachment [2 MB] Tags Brazil Defense Treaties