Action 8509

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Membership Information for: Amendment to the Montreal Protocol on Substances that Deplete the Ozone Layer

Signed: 2016-10-15; Entered into force: 2019-01-01; Terminated:
Source for membership data: https://treaties.un.org/pages/ViewDetails.aspx?src=TREATY&mtdsg_no=XXVII-2-f&cha…
Date of last download from source: 2022-11-01
This is the IEADB's most current data on signature, ratification, entry into force, and other membership actions. The IEADB updates this data approximately once a year and tries to ensure it is current and accurate. For the most current data, visit the Ozone Secretariat website. For inaccuracies, please notify the Project Director.
Agreement Action Country Year Month Day Edit link
Entry Into Force Guinea-Bissau 2019 1 1
Entry Into Force Holy See 2020 9 15
Entry Into Force Honduras 2019 4 28
Entry Into Force Hungary 2019 1 1
Entry Into Force Iceland 2021 4 25
Entry Into Force India 2021 12 26
Entry Into Force Ireland 2019 1 1
Entry Into Force Italy 2022 8 23
Entry Into Force Japan 2019 1 1
Entry Into Force Jordan 2020 1 14
Entry Into Force Kiribati 2019 1 1
Entry Into Force Korea, Democratic People's Republic 2019 1 1
Entry Into Force Kyrgyzstan 2020 12 7
Entry Into Force Laos 2019 1 1
Entry Into Force Latvia 2019 1 1
Entry Into Force Lebanon 2020 5 5
Entry Into Force Lesotho 2020 1 5
Entry Into Force Liberia 2020 10 10
Entry Into Force Liechtenstein 2020 12 15
Entry Into Force Lithuania 2019 1 1
Entry Into Force Luxembourg 2019 1 1
Entry Into Force Malawi 2019 1 1
Entry Into Force Malaysia 2021 1 19
Entry Into Force Maldives 2019 1 1
Entry Into Force Mali 2019 1 1
Entry Into Force Marshall Islands 2019 1 1
Entry Into Force Mauritius 2019 12 30
Entry Into Force Mexico 2019 1 1
Entry Into Force Micronesia 2019 1 1
Entry Into Force Mongolia 2022 10 25
Entry Into Force Montenegro 2019 7 22
Entry Into Force Morocco 2022 7 21
Entry Into Force Mozambique 2020 4 15
Entry Into Force Namibia 2019 8 14
Entry Into Force Nauru 2023 2 1
Entry Into Force Netherlands 2019 1 1
Entry Into Force New Zealand 2020 1 1
Entry Into Force Nicaragua 2020 12 29
Entry Into Force Niger 2019 1 1
Entry Into Force Nigeria 2019 1 1
Entry Into Force Niue 2019 1 1
Entry Into Force North Macedonia 2020 6 10
Entry Into Force Norway 2019 1 1
Entry Into Force Palau 2019 1 1
Entry Into Force Panama 2019 1 1
Entry Into Force Paraguay 2019 1 1
Entry Into Force Peru 2019 11 5
Entry Into Force Philippines 2023 2 1
Entry Into Force Poland 2019 4 7
Entry Into Force Portugal 2019 1 1
Entry Into Force Romania 2020 9 29
Entry Into Force Russian Federation 2021 1 1
Entry Into Force Rwanda 2019 1 1
Entry Into Force Saint Lucia 2022 1 31
Entry Into Force Saint Vincent and the Grenadines 2023 2 5
Entry Into Force Samoa 2019 1 1
Entry Into Force San Marino 2021 1 18
Entry Into Force Sao Tome and Principe 2020 1 2
Entry Into Force Senegal 2019 1 1
Entry Into Force Serbia 2022 1 6
Entry Into Force Seychelles 2019 11 18
Entry Into Force Sierra Leone 2020 9 13
Entry Into Force Singapore 2022 8 30
Entry Into Force Slovakia 2019 1 1
Entry Into Force Slovenia 2019 1 1
Entry Into Force Solomon Islands 2022 8 21
Entry Into Force Somalia 2020 2 25
Entry Into Force South Africa 2019 10 30
Entry Into Force Sri Lanka 2019 1 1
Entry Into Force Sweden 2019 1 1
Entry Into Force Switzerland 2019 1 1
Entry Into Force Syria 2021 7 4
Entry Into Force Tajikistan 2022 9 27
Entry Into Force Tanzania 2022 6 23
Entry Into Force Togo 2019 1 1
Entry Into Force Tonga 2019 1 1
Entry Into Force Trinidad and Tobago 2019 1 1
Entry Into Force Tunisia 2021 11 25
Entry Into Force Türkiye 2022 2 8
Entry Into Force Turkmenistan 2020 11 29
Entry Into Force Tuvalu 2019 1 1
Entry Into Force Uganda 2019 1 1
Entry Into Force United Kingdom 2019 1 1
Entry Into Force United States 2023 1 29
Entry Into Force Uruguay 2019 1 1
Entry Into Force Vanuatu 2019 1 1
Entry Into Force Viet Nam 2019 12 26
Entry Into Force Zambia 2021 6 13
Entry Into Force Zimbabwe 2023 1 16

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Membership status is coded as follows:

  • Countries listed are those that have signed and/or ratified the IEA in question.
  • Legend:
    • 0 (pink): Signer: country signed but did not ratify IEA. Status is 0 for all countries until IEA enters into force.
    • 1 (yellow): Ratifier: country signed and ratified IEA but IEA had not entered into force. Status is 1 for countries that have ratified until IEA enters into force.
    • 2 (green):Member: country signed and ratified IEA and IEA has entered into force for that country.
    • Ratifier row is count of states that have ratified.
    • Membership row is count (not sum) of members.
  • If membership data source lacks entry into force date, membership is inferred from year of ratification, if that year occurs after entry into force year of IEA.
  • Status can return to 0 if an IEA is terminated or if a country withdraws. In rare cases, countries later re-join IEAs, with their status returning to 2.
  • Action tab: membership by Action, Country, Year, Month, Day.
  • Wide tab: Annual status data (countries as rows, years as columns).
  • Long tab: Annual status data in Stata format (Country, Year, Membership Status).