× 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 IV/31: Fifth Meeting of the Parties to the Montreal Protocol Document type Decision Reference number IV/31 Date Nov 25, 1992 SourceUNEP, InforMEA Status Active Subject Waste & hazardous substances, Air & atmosphere Treaty Montreal Protocol on Substances that Deplete the Ozone Layer (Sep 16, 1987) Meeting Fourth Meeting of the Parties Website ozone.unep.org Abstract The Fourth Meeting of the Parties decided in Dec. IV/31 to convene the Fifth Meeting of the Parties to the Montreal Protocol in October/November 1993.