Home2019 Treaties and Agreements ...Argentina (19-626) – Protocol Amending the Air Transport Agreement of October 22, 1985, as Amended hide Argentina (19-626) – Protocol Amending the Air Transport Agreement of October 22, 1985, as Amended TIAS Office of Treaty Affairs Transportation: Aviation Transport Services Protocol signed at Washington June 26, 2019; entered in force June 26, 2019. Download Agreement [1 MB] Tags Argentina Transportation Treaties