HomeRecent Actions for Treaties for Which the United States is Depositary ...Transportation Recent Actions hide Transportation Recent Actions Depositary Actions - Treaty Affairs Office of Treaty Affairs Transportation – Transit Agreement – Notification of Deposit of Instrument; Brazil, July 20, 2022 ICAO – Chicago Convention, Trilingual Protocol, and Quadrilingual Protocol – Notification of Deposit of Instrument; Dominica March 22, 2019 International Air Services Transit Agreement – Notification of Deposit of Instrument; Romania, July 14, 2021 ICAO (Quinquelingual Text Protocol) – Notification of Deposit of Instrument; Seychelles, February 16, 2022 ICAO (Six-Language Text Protocol) – Notification of Deposit of Instrument; Seychelles, February 16, 2022 Tags Multilateral Transportation Treaties