× 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 Tipo de documento Decision Número de referencia XX/23 Fecha Nov 16, 2008 FuenteUNEP, InforMEA Estado Activo Materia Desechos y sustancias peligrosas, Aire y atmósfera Tratado Protocolo de Montreal relativo a las sustancias que agotan la capa de ozono (Sep 16, 1987) Reunión Página web ozone.unep.org Resumen 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;