Action 2603

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Membership Information for: Protocol For The Prohibition Of The Use In War Of Asphyxiating, Poisonous Or Other Gases, And Of Bacteriological Methods Of Warfare

Signed: 1925-06-17; Entered into force: 1928-02-08; Terminated:
Source for membership data: http://disarmament.un.org/treaties/t/1925
Date of last download from source: 2023-07-16
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 United Nations Department of Disarmament Affairs website. For inaccuracies, please notify the Project Director.
Agreement Action Country Year Month Day Edit link
Entry Into Force Senegal 1977 7 20
Entry Into Force Serbia 2006 6 3
Entry Into Force Sierra Leone 1967 3 20
Entry Into Force Slovakia 1997 10 28
Entry Into Force Slovenia 2008 4 8
Entry Into Force Solomon Islands 1981 6 1
Entry Into Force South Africa 1930 5 24
Entry Into Force Spain 1929 8 22
Entry Into Force Sri Lanka 1953 12 18
Entry Into Force Sudan 1980 12 17
Entry Into Force Sweden 1930 4 25
Entry Into Force Switzerland 1932 7 12
Entry Into Force Syria 1968 12 17
Entry Into Force Tajikistan 2019 11 15
Entry Into Force Tanzania 1963 2 28
Entry Into Force Thailand 1931 6 6
Entry Into Force Togo 1971 4 5
Entry Into Force Tonga 1971 7 19
Entry Into Force Trinidad and Tobago 1970 11 24
Entry Into Force Tunisia 1967 7 12
Entry Into Force Türkiye 1929 10 5
Entry Into Force Uganda 1965 4 2
Entry Into Force Ukraine 2003 7 15
Entry Into Force United Kingdom 1930 4 9
Entry Into Force United States 1975 4 10
Entry Into Force Uruguay 1977 4 12
Entry Into Force Uzbekistan 2020 10 5
Entry Into Force Venezuela 1928 2 8
Entry Into Force Viet Nam 1980 12 15
Entry Into Force Yemen, Arab Republic 1971 3 11
Entry Into Force Yemen, Democratic 1986 12 9
Entry Into Force Yugoslavia (1918-1943) 1929 12 4
Withdrawal or Similar Serbia 2006 6 3

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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).