The Executive Committee shall consist of seven Parties from the group of Parties operating under paragraph 1 of Article 5 of the Montreal Protocol and seven Parties from the group of Parties not so operating. Each group shall select its Committee members, and shall be endorsed by the Parties.
(UNEP/OzL.Pro/3/11 Annex VI of Decision III/22 (Rule 11).
(UNEP/OzL.Pro/ExCom/3/18/Rev.1 Annex II).
The Chairman and Vice-Chairman of the Executive Committee shall be selected from the fourteen members. The office of Chairman is subject to rotation, on an annual basis, between the Parties operating under paragraph 1 of Article 5, and the Parties not so operating. The group of Parties entitled to the chairmanship shall select the Chairman from among their members of the Executive Committee. The Vice-Chairman shall be selected by the other group from within their number.
(UNEP/OzL.Pro/2/3 Appendix II of Decision II/8, para. 3).