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Amendment to the Montreal Protocol on Substances that Deplete the Ozone Layer (29 June 1990)
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Treaty status and participants
Participants
parties: 197 (as at Sep 30, 2026)
Place and date of signature
London, 29 June 1990
Entry into force
10 August 1992, in accordance with article 2(1).
Registration
7 March 1991, No. 26369
Text
United Nations, Treaty Series, vol. 1598, p. 469;
Annex II of the Report of the Second Meeting (Doc. UNEP/Ozl.Pro.2/3); and depositary notification C.N.133.1991.TREATIES-3/2 of 27 August 1991 (rectification of the Spanish authentic text of the adjustments and amendment).
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The amendment was adopted by Decision II/2 of 29 June 1990 at the Second Meeting of the Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer, which was held at the Headquarters of the International Maritime Organization, in London, from 27 to 29 June 1990.
Key facts
Organisation
United Nations (UN)
Document type
treaty
Country
United Nations
Source
National legislation