HomeAntarctica Status Lists ...47. Measures adopted at the Forty-First Consultative Meeting, done at Buenos Aires May 13-18, 2018. hide 47. Measures adopted at the Forty-First Consultative Meeting, done at Buenos Aires May 13-18, 2018. Depositary – Treaty Affairs Office of Treaty Affairs Entered into force August 16, 2018. Date of tacit approval is listed unless a Consultative Party notified the Depositary of its approval of the Measures. Download status lists [155 KB] Tags Antarctic Multilateral Treaties