HomeAntarctica Status Lists ...44. Measures adopted at the Thirty-Eighth Consultative Meeting, done at Sofia, June 1-10, 2015. hide 44. Measures adopted at the Thirty-Eighth Consultative Meeting, done at Sofia, June 1-10, 2015. Depositary – Treaty Affairs Office of Treaty Affairs Entered into force October 31, 2015. Date of tacit approval is listed, unless Consultative Parties directly notified the Depositary of their intent to adhere to the recommendations. Download status lists [173 KB] Tags Antarctic Multilateral Treaties