× Information on this section of ECOLEX comes from the InforMEA Portal which compiled information from MEA Secretariats with the support of the European Union. The accuracy of the information displayed is the responsibility of the originating data source. In case of discrepancy the information as displayed on the respective MEA website prevails. Decision XX/23: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Type du document Décision Numéro de référence XX/23 Date Nov 16, 2008 SourceUNEP, InforMEA Statut active Sujet Air et atmosphère, Déchets et substances dangereuses Traité Protocole de Montréal relatif à des substances qui appauvrissent la couche d’ozone (Sep 16, 1987) Réunion Site web ozone.unep.org Résumé To endorse the selection of Mr. Martin Sirois (Canada) and Mr. Muhammad Maqsood Akhtar (Pakistan) as Co-Chairs of the Open‑ended Working Group of the Parties to the Montreal Protocol in 2009;