i. The first part — election of States of chief importance in air transport — shall be held within four days of the opening of the session.
ii. The second part — election of States not already elected in the first part but which make the largest contribution to the provision of facilities for international civil air navigation — shall be held immediately after the first part of the election.
iii. The third part — election of States not elected in either the first or the second part, and whether or not they were candidates in either of those parts, and whose designation will ensure that all the major geographical areas of the world are represented on the Council — shall be held as soon as possible after the expiry of twenty-four hours following the publication of the list of candidates mentioned in Rule 58 b).