20. Recommendations adopted at the Fifteenth Consultative Meeting, done at Paris October 9-21, 1989.

Entered into force January 23, 2004 for Recommendations XV-14, XV-15, XV-20 and XV-211.

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.”