× 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 XXV/1: Status of ratification of the Montreal and Beijing amendments to the Montreal Protocol Document type Decision Reference number XXV/1 Date Oct 25, 2013 SourceUNEP, InforMEA Status Active Subject Waste & hazardous substances, Air & atmosphere Treaty Montreal Protocol on Substances that Deplete the Ozone Layer (Sep 16, 1987) Meeting Twenty-Fifth Meeting of the Parties Website ozone.unep.org Abstract To note with satisfaction the large number of countries that have ratified the Vienna Convention for the Protection of the Ozone Layer and the Montreal Protocol on Substances that Deplete the Ozone Layer; To note that, as at 25 October 2013, 194 parties had ratified the Montreal Amendment to the Montreal Protocol and 192 parties had ratified the Beijing Amendment to the Montreal Protocol; To urge all States that have not yet done so to ratify, approve or accede to the amendments, taking into account the fact that universal participation is necessary to ensure the protection of the ozone layer;