HomeRecent Actions for Treaties for Which the United States is Depositary ...Antarctica Recent Actions hide Antarctica Recent Actions Depositary Actions - Treaty Affairs Office of Treaty Affairs Antarctic Treaty – Notification of Deposit of Instrument; San Marino, February 14, 2023 Antarctic Treaty – Notification of Deposit of Instrument; Slovenia, April 22, 2019 Antarctic Treaty: Annex V to Protocol on Environmental Protection – Notification of Deposit of Instrument; Belarus, November 4, 2019 Antarctica – Protocol on Environmental Protection – Notification of Deposit of Instrument; Colombia, Feb. 13, 2020 Antarctic Treaty – Protocol on Environmental Protection – Notification of Deposit of Instrument; Austria – July 27, 2021 Antarctica – Amendment of Annex II to Protocol on Environmental Protection – Notification of Deposit of Instrument; Canada February 23, 2022 Antarctica – Annex V to Protocol on Environmental Protection – Notification of Deposit of Instrument; Canada, February 23, 2022 Antarctica – Antarctica Treaty – Notification of Deposit of Instrument; Costa Rica, August 11, 2022 Tags Antarctic Multilateral Treaties
