Home2012 Treaties and Agreements ...Hungary (12-906) – Agreement Concerning the Exchange of Research and Development Information hide Hungary (12-906) – Agreement Concerning the Exchange of Research and Development Information TIAS Office of Treaty Affairs September 6, 2012 Defense: Research and Development Agreement signed at Washington and Budapest August 9 and September 6, 2012; entered into force September 6, 2012. With appendix. Download attachment [782 KB] Tags Defense Hungary Treaties