Article 66 Chicago Convention
Functions relating to other agreements
(a) The Organization shall also carry out the functions placed upon it by the International Air Services Transit Agreement and by the International Air Transport Agreement drawn up at Chicago on December 7, 1944, in accordance with the terms and conditions therein set forth.
(b) Members of the Assembly and the Council who have not accepted the International Air Services Transit Agreement or the International Air Transport Agreement drawn up at Chicago on December 7, 1944 shall not have the right to vote on any questions referred to the Assembly or Council under the provisions of the relevant Agreement.
See also: Article 65 Chicago Convention