HomeAntarctica Status Lists ...14. Recommendations adopted at the Ninth Consultative Meeting, done at London September 19-October 7, 1977. hide 14. Recommendations adopted at the Ninth Consultative Meeting, done at London September 19-October 7, 1977. Depositary – Treaty Affairs Office of Treaty Affairs Entered into force September 8, 1983. Article IX, paragraph 4, of the Antarctic Treaty provides that recommended measures “shall become effective when approved by all the Contracting Parties whose representatives were entitled to participate in the meetings held to consider those measures.” Download status lists [124 KB] Tags Antarctic Multilateral Treaties