× 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 XXIII/33: Twenty-Sixth Meeting of the Parties to the Montreal Protocol Tipo de documento Decision Número de referencia XXIII/33 Fecha Nov 21, 2011 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 convene the Twenty-Sixth Meeting of the Parties to the Montreal Protocol back to back with the tenth meeting of the Conference of the Parties to the Vienna Convention.