Editing Geneva Protocol (section)

==State parties==
[[File:Geneva Protocol parties.svg|right|400px|thumb|Parties to the Geneva Protocol<br/>{{legend|#00AA00|Parties with no reservations}} {{legend|#0000FF|Parties with withdrawn reservations}} {{legend|#EEEE00|Parties with implicit reservations}} {{legend|orange|Parties with unwithdrawn reservations limiting the applicability of provisions of the Protocol}} {{legend|#FF1111|Non-parties}}]]

To become party to the Protocol, states must deposit an instrument with the government of [[France]] (the [[depositary]] power). Thirty-eight states originally signed the Protocol. France was the first signatory to ratify the Protocol on 10 May 1926. El Salvador, the final signatory to ratify the Protocol, did so on 26 February 2008. As of April 2021, 146 states have ratified, acceded to, or succeeded to the Protocol,<ref name=unoda>{{cite web|url=https://treaties.unoda.org/t/1925|title=Protocol for the Prohibition of the Use in War of Asphyxiating, Poisonous or Other Gases, and of Bacteriological Methods of Warfare|publisher=[[United Nations Office of Disarmament Affairs]]|access-date=24 July 2013}}</ref> most recently Colombia on 24 November 2015.

===Reservations===
A number of countries submitted [[Reservation (law)|reservations]] when becoming parties to the Geneva Protocol, declaring that they only regarded the non-use obligations as applying with respect to other parties to the Protocol and/or that these obligations would cease to apply with respect to any state, or its allies, which used the prohibited weapons. Several Arab states also declared that their ratification did not constitute recognition of, or diplomatic relations with, [[Israel]], or that the provision of the Protocol were not binding with respect to Israel.

Generally, reservations not only modify treaty provisions for the reserving party, but also symmetrically modify the provisions for previously ratifying parties in dealing with the reserving party.<ref name=bunn-1969/>{{rp|394}}  Subsequently, numerous states have withdrawn their reservations, including the former [[Czechoslovakia]] in 1990 prior to its [[Dissolution of Czechoslovakia|dissolution]],<ref name=czun>{{cite web|url=http://disarmament.un.org/treaties/a/1925/czechrepublic/suc/paris|title=Czech Republic: Succession to 1925 Geneva Protocol
|access-date=2014-07-26|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref> or the Russian reservation on biological weapons that "preserved the right to retaliate in kind if attacked" with them, which was dissolved by [[President Yeltsin]].<ref name=kelly02>{{cite book|last1=Kelly|first1=David|chapter-url=http://www.vertic.org/media/Archived_Publications/Yearbooks/2002/VY02_Kelly.pdf |chapter=The Trilateral Agreement: lessons for biological weapons verification]|editor1-last=Findlay|editor1-first=Trevor|editor2-last=Meier|editor2-first=Oliver|editor1-link=Trevor Findlay|title=Verification Yearbook 2002|date=2002|publisher=Verification Research, Training and Information Centre (VERTIC)|location=London|isbn=978-1-899548-35-4|pages=93–109|url=https://www.files.ethz.ch/isn/13529/VY02_FULL.pdf}}</ref>

According to the [[Vienna Convention on Succession of States in respect of Treaties]], states which succeed to a treaty after gaining independence from a state party "shall be considered as maintaining any reservation to that treaty which was applicable at the date of the succession of States in respect of the territory to which the succession of States relates unless, when making the notification of succession, it expresses a contrary intention or formulates a reservation which relates to the same subject matter as that reservation."  While some states have explicitly either retained or renounced their reservations inherited on succession, states which have not clarified their position on their inherited reservations are listed as "implicit" reservations.

{| class="wikitable sortable"
!Party<ref name=dep/><ref name=unoda/><ref>{{cite web|url=https://www.eda.admin.ch/eda/fr/dfae/politique-exterieure/droit-international-public/traites-internationaux/banque-donnees-traites-internationaux/detailansicht-staatsvertrag.ggst0_51.contract19250020.html?_charset_=UTF-8|title=Le traité international en detail|access-date=2018-05-21|publisher=[[Federal Department of Foreign Affairs|Federal Department of Foreign Affairs of Switzerland]]}}</ref><ref name=usdos>{{cite web|url=https://2009-2017.state.gov/t/isn/4784.htm|title=Protocol for the Prohibition of the Use in War of Asphyxiating, Poisonous or Other Gases, and of Bacteriological Methods of Warfare (Geneva Protocol)|access-date=31 July 2013|publisher=[[United States Department of State]]}}</ref><ref name=ICRC>{{cite web|url=http://www.icrc.org/applic/ihl/ihl.nsf/States.xsp?xp_viewStates=XPages_NORMStatesParties&xp_treatySelected=280 |title=Protocol for the Prohibition of the Use of Asphyxiating, Poisonous or Other Gases, and of Bacteriological Methods of Warfare. Geneva, 17 June 1925 |publisher=International Committee of the Red Cross |access-date=31 July 2013}}</ref><ref>{{cite web|url=http://dosfan.lib.uic.edu/acda/treaties/geneva7.txt|title=States parties to the Protocol for the prohibition of the use in war of asphyxiating, poisonous or other gases, and of bacteriological methods of warfare, Done at Geneva 17 June 1925|publisher=[[University of Illinois at Chicago]]|access-date=5 August 2013|archive-url=https://web.archive.org/web/20150407003400/http://dosfan.lib.uic.edu/acda/treaties/geneva7.txt|archive-date=7 April 2015|url-status=dead}}</ref><ref>{{cite web|url=http://treaties.un.org/Pages/showDetails.aspx?objid=0800000280167ca8|title=Protocol for the prohibition of the use in war of asphyxiating, poisonous or other gases, and of bacteriological methods of warfare|publisher=[[United Nations Treaty Series]]|access-date=5 August 2013}}</ref><ref>{{cite web|url=http://www.fas.org/nuke/control/geneva/text/geneva1.htm|title=Protocol for the prohibition of the use in war of asphyxiating, poisonous or other gases, and of bacteriological methods of warfare|publisher=[[Federation of American Scientists]]|access-date=5 August 2013}}</ref><ref>{{cite web|url=http://www.admin.ch/opc/fr/classified-compilation/19250020/index.html|title=Protocole concernant la prohibition d'emploi à la guerre de gaz asphyxiants, toxiques ou similaires et de moyens bactériologiques|date=2013-08-15|access-date=2014-07-13|publisher=Government of Switzerland}}</ref><ref>{{cite web|url=http://www.admin.ch/opc/fr/official-compilation/2005/1209.pdf|title=Protocole du 17 juin 1925 concernant la prohibition d'emploi à la guerre de gaz asphyxiants, toxiques ou similaires et de moyens bactériologiques|year=2004|access-date=2014-07-13|publisher=Government of Switzerland}}</ref><ref>{{cite web|url=http://www.admin.ch/opc/fr/classified-compilation/19250020/201308150000/0.515.105.pdf|title=Protocole concernant la prohibition d'emploi à la guerre de gaz asphyxiants, toxiques ou similaires et de moyens bactériologiques|date=2013-08-15|access-date=2014-07-13|publisher=Government of Switzerland|archive-date=23 May 2018|archive-url=https://web.archive.org/web/20180523011329/https://www.admin.ch/opc/fr/classified-compilation/19250020/201308150000/0.515.105.pdf|url-status=dead}}</ref>
!Signed<ref>{{cite journal|url=http://treaties.un.org/doc/Publication/UNTS/LON/Volume%2094/v94.pdf|journal=League of Nations Treaty Series - Publication of Treaties and International Engagements Registered with the Secretariat of the League of Nations|volume=XCIV|year=1929|issue=1,2,3 and 4|access-date=28 July 2013|publisher=[[League of Nations]]|title=No. 2138 - Protocol for the Prohibition of the Use in War of Asphyxiating, Poisonous or other Gases, and of Bacteriological Methods of Warfare. Signed at Geneva, 17 June 1925.|pages=65–74}}</ref>
!Deposited
! class="unsortable" style="text-size: small" | Reservations<ref name=dep/><ref name=bunn-1969>{{cite journal|url=http://iis-db.stanford.edu/pubs/22365/Bunn_Banning_Poison_Gas_and_Germ_Warfare.pdf |title=Banning Poison Gas and Germ Warfare: Should the United States Agree |last=Bunn |first=George |journal=[[Wisconsin Law Review]] |volume=1969 |issue=2 |pages=375–420 |year=1969 |access-date=5 August 2013 |url-status=dead |archive-url=https://web.archive.org/web/20140702004808/http://iis-db.stanford.edu/pubs/22365/Bunn_Banning_Poison_Gas_and_Germ_Warfare.pdf |archive-date=2 July 2014 |df=dmy }}</ref><ref name=usdos/><ref name=ICRC/><ref>{{cite web|url=http://www.bwc2011.info/BB2011-by-doc/1/GP-Res.pdf|title=Seventh BWC Review Conference Briefing Book|year=2011|publisher=[[Biological Weapons Convention]]|access-date=17 November 2014}}</ref><ref>{{cite web |title=High Contracting Parties to the Geneva Protocol |url=http://www.sipri.org/contents/expcon/cbwarfare/cbw_research_doc/cbw_historical/cbw-hist-geneva-parties.html |archive-url= |archive-date= |access-date=5 August 2013 |publisher=[[SIPRI]]}}</ref><ref>{{cite book|url=https://books.google.com/books?id=k5FqSAX9HyMC|title=The Laws of Armed Conflicts: A Collection of Conventions, Resolutions, and Other Documents|last1=Schindler|first1=Dietrich|last2=Toman|first2=Jiří|year=1988|access-date=5 August 2013|publisher=[[Brill Publishers]]|pages=115–127|isbn=9024733065}}</ref><ref>{{cite web|url= http://www.bwc2011.info/BB2011-by-doc/1/GP-Res.pdf|title=Geneva Protocol reservations|access-date=5 August 2013|publisher=Biological Weapons Convention Review Conference}}</ref><ref>{{cite book|url=https://books.google.com/books?id=V3vdfv6y-q8C|editor1-last=Papanicolopulu|editor1-first=Irini|editor2-last=Scovazzi|editor2-first=Tullio|year=2006|title=Quale diritto nei conflitti armati?|access-date=5 August 2013|publisher=Giuffrè Editore|pages=231–237|isbn=9788814130625|language=it}}</ref>
! class="unsortable" | Notes
|-
|{{flag|Afghanistan}}
|
|{{dts|2 September 1986}}
|—
|
|-
|{{flag|Albania}}
|
|{{dts|12 December 1989}}
|—
|
|-style="background:orange;"
|{{flag|Algeria}}
|
|{{dts|14 January 1992}}
|
{|
|<ref group="Reservation" name="a">Binding only with regards to states which have ratified or acceded to the protocol.</ref><br/><ref group="Reservation" name="b">Ceases to be binding in regards to any state, and its allies, which does not observe the prohibitions of the protocol.</ref>||<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/algeria/acc/paris|title=Algeria: Accession to 1925 Geneva Protocol|access-date=27 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-style="background:orange;"
|{{flag|Angola}}
|
|{{dts|30 October 1990}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/angola/acc/paris|title=Angola: Accession to 1925 Geneva Protocol|access-date=27 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-style="background:#EEEE00;"
|{{flag|Antigua and Barbuda}}
|
|{{dts|1 February 1989}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Implicit on succession.{{#tag:ref||name=implicit|group=Note}}
|}
|[[Succession of states|Succeeded]] from the United Kingdom.
|-
|{{flag|Argentina}}
|
|{{dts|8 May 1969}}
|—
|
|-
|{{flag|Armenia}}
|
|{{dts|13 March 2018}}
|—
|
|-style="background:#6495ED;"
|{{flag|Australia}}
|
|{{dts|22 January 1930}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Withdrawn in 1986.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/australia/acc/paris|title=Australia: Accession to 1925 Geneva Protocol|access-date=20 September 2014|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-
|{{flag|Austria}}
|{{dts|17 June 1925}}
|{{dts|9 May 1928}}
|—
|
|-style="background:orange;"
|{{flag|Bahrain}}
|
|{{dts|9 November 1988}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/><br/><ref group="Reservation" name="c">Does not constitute recognition of, or establishing any relations with, [[Israel]].</ref>||<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/bahrain/acc/paris|title=Bahrain: Accession to 1925 Geneva Protocol|access-date=27 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-style="background:orange;"
|{{flag|Bangladesh}}
|
|{{dts|20 May 1989}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/bangladesh/acc/paris|title=Bangladesh: Accession to 1925 Geneva Protocol|access-date=27 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-style="background:#6495ED;"
|{{flag|Barbados}}
|
|{{dts|16 July 1976}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Withdrew the reservations made by the United Kingdom on succession.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/barbados/suc/paris|title=Barbados: Succession to 1925 Geneva Protocol|access-date=27 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|Succeeded from the United Kingdom.
|-style="background:#6495ED;"
|{{flag|Belgium}}
|{{dts|17 June 1925}}
|{{dts|4 December 1928}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Withdrawn in 1997.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/belgium/rat/paris|title=Belgium: Ratification of 1925 Geneva Protocol|access-date=27 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-
|{{flag|Benin}}
|
|{{dts|4 December 1986}}
|—
|
|-
|{{flag|Bhutan}}
|
|{{dts|12 June 1978}}
|—
|
|-
|{{flag|Bolivia}}
|
|{{dts|14 January 1985}}
|—
|
|-
|{{flag|Brazil}}
|{{dts|17 June 1925}}
|{{dts|28 August 1970}}
|—
|
|-style="background:#6495ED;"
|{{flag|Bulgaria}}
|{{dts|17 June 1925}}
|{{dts|7 March 1934}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>|| Withdrawn in 1991.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/bulgaria/rat/paris|title=Bulgaria: Ratification of 1925 Geneva Protocol|access-date=28 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-
|{{flag|Burkina Faso}}
|
|{{dts|1 March 1971}}
|—
|Ratified as the [[Republic of Upper Volta]].
|-style="background:orange;"
|{{flag|Cambodia}}
|
|{{dts|15 March 1983}}
|<ref group="Reservation" name="b"/>
|The Protocol was ratified by the [[Coalition Government of Democratic Kampuchea]] in exile in 1983. 13 states (including the depositary France) objected to their ratification, and considered it legally invalid. In 1993, the [[Kingdom of Cambodia]] stated in a [[note verbale]] that it considered itself bound by the provisions of the Protocol.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/cambodia/acc/paris|title=Cambodia: Accession to 1925 Geneva Protocol|access-date=28 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|-
|{{flag|Cameroon}}
|
|{{dts|21 April 1989}}
|—
|
|-style="background:#6495ED;"
|{{flag|Canada}}
|{{dts|17 June 1925}}
|{{dts|6 May 1930}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Withdrawn in 1991 as regards bacteriological agents, and completely withdrawn in 1999.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/canada/rat/paris|title=Canada: Ratification of 1925 Geneva Protocol|access-date=28 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-
|{{flag|Cape Verde}}
|
|{{dts|20 May 1991}}
|—
|
|-
|{{flag|Central African Republic}}
|
|{{dts|30 July 1970}}
|—
|
|-style="background:#6495ED;"
|{{flag|Chile}}
|{{dts|17 June 1925}}
|{{dts|2 July 1935}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Withdrawn in 1991.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/chile/rat/paris|title=Chile: Ratification of 1925 Geneva Protocol|access-date=28 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-style="background:orange;"
|{{flag|China}}
|
|{{dts|7 August 1929}}
|
{|
|<ref group="Reservation" name="b"/>||Made on succession.<ref name=china/>
|}
| Ratified as the [[Republic of China (1912–1949)|Republic of China]], from which the [[People's Republic of China]] succeeded on 13 July 1952.<ref name=china>{{cite web|url=http://disarmament.un.org/treaties/a/1925/china/suc/paris|title=China: Succession to 1925 Geneva Protocol|access-date=28 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|-
|{{flag|Colombia}}
|
|{{dts|24 November 2015}}
|—
|
|-
|{{flag|Costa Rica}}
|
|{{dts|17 June 2009}}
|—
|
|-
|{{flag|Côte d'Ivoire}}
|
|{{dts|27 July 1970}}
|—
|
|-
|{{flag|Croatia}}
|
|{{dts|25 September 2006}}
|—
|
|-
|{{flag|Cuba}}
|
|{{dts|24 May 1966}}
|—
|
|-style="background:#EEEE00;"
|{{flag|Cyprus}}
|
|{{dts|29 November 1966}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Implicit on succession.{{#tag:ref||name=implicit|group=Note}}
|}
|Succeeded from the United Kingdom.
|-
|{{flag|Czech Republic}}
|
|{{dts|19 September 1993}}
|
{|
|<ref group="Reservation" name="b"/>||Withdrawn prior to succession.
|}
|Succeeded from [[Czechoslovakia]], which ratified the protocol on 16 August 1938.
|-
|{{flag|Denmark}}
|{{dts|17 June 1925}}
|{{dts|5 May 1930}}
|—
|
|-
|{{flag|Dominican Republic}}
|
|{{dts|4 December 1970}}
|—
|
|-
|{{flag|Ecuador}}
|
|{{dts|10 September 1970}}
|—
|
|-
|{{flag|Egypt}}
|{{dts|17 June 1925}}
|{{dts|6 December 1928}}
|—
|
|-
|{{flag|El Salvador}}
|{{dts|17 June 1925}}
|{{dts|12 January 2010}}
|—
|
|-
|{{flag|Equatorial Guinea}}
|
|{{dts|16 May 1989}}
|—
|
|-style="background:#6495ED;"
|{{flag|Estonia}}
|{{dts|17 June 1925}}
|{{dts|28 August 1931}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Withdrawn in 1999.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/estonia/rat/paris|title=Estonia: Ratification of 1925 Geneva Protocol|access-date=28 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-
|{{Flag|Eswatini}}
|
|{{dts|10 July 1991}}
|
|
|-
|{{flag|Ethiopia}}
|{{dts|17 June 1925}}
|{{dts|7 October 1935}}
|—
|
|-style="background:orange;"
|{{flag|Fiji}}
|
|{{dts|21 March 1973}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Retained the United Kingdom's reservations on succession.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/fiji/suc/paris|title=Fiji: Succession to 1925 Geneva Protocol|access-date=28 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|Succeeded from the United Kingdom.
|-
|{{flag|Finland}}
|{{dts|17 June 1925}}
|{{dts|26 June 1929}}
|—
|
|-style="background:#6495ED;"
|{{flag|France}}
|{{dts|17 June 1925}}
|{{dts|10 May 1926}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Withdrawn in 1996.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/france/rat/paris|title=France: Ratification of 1925 Geneva Protocol|access-date=28 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-style="background:#EEEE00;"
|{{flag|Gambia}}
|
|{{dts|5 November 1966}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Implicit on succession.{{#tag:ref||name=implicit|group=Note}}
|}
|Succeeded from the United Kingdom.
|-
|{{flag|Germany}}
|{{dts|17 June 1925}}
|{{dts|25 April 1929}}
|—
|
|-
|{{flag|Ghana}}
|
|{{dts|2 May 1967}}
|—
|
|-
|{{flag|Greece}}
|{{dts|17 June 1925}}
|{{dts|30 May 1931}}
|—
|
|-style="background:#EEEE00;"
|{{flag|Grenada}}
|
|{{dts|3 January 1989}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Implicit on succession.{{#tag:ref||name=implicit|group=Note}}
|}
|Succeeded from the United Kingdom.
|-
|{{flag|Guatemala}}
|
|{{dts|3 May 1983}}
|—
|
|-
|{{flag|Guinea-Bissau}}
|
|{{dts|20 May 1989}}
|—
|
|-
|{{flag|Holy See}}
|
|{{dts|12 October 1966}}
|—
|
|-
|{{flag|Hungary}}
|{{dts|17 June 1925}}
|{{dts|11 October 1952}}
|—
|
|-
|{{flag|Iceland}}
|
|{{dts|19 December 1966}}
|—
|
|-style="background:orange;"
|{{flag|India}}
|{{dts|17 June 1925}}
|{{dts|9 April 1930}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/india/rat/paris|title=India: Ratification of 1925 Geneva Protocol|access-date=28 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-style="background:#EEEE00;"
|{{flag|Indonesia}}
|
|{{dts|14 January 1971}}
|
{|
|<ref group="Reservation" name="d"/>||Implicit on succession.{{#tag:ref||name=implicit|group=Note}}
|}
|Succeeded from the Netherlands.
|-
|{{flag|Iran}}
|
|{{dts|4 July 1929}}
|—
|
|-style="background:orange;"
|{{flag|Iraq}}
|
|{{dts|18 August 1931}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/iraq/acc/paris|title=Iraq: Accession to 1925 Geneva Protocol|access-date=28 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-style="background:#6495ED;"
|{{flag|Ireland}}
|
|{{dts|18 August 1930}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Withdrawn in 1972.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/ireland/acc/paris|title=Ireland: Accession to 1925 Geneva Protocol|access-date=28 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-style="background:orange;"
|{{flag|Israel}}
|
|{{dts|10 February 1969}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/israel/acc/paris|title=Israel: Accession to 1925 Geneva Protocol|access-date=28 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-
|{{flag|Italy}}
|{{dts|17 June 1925}}
|{{dts|3 April 1928}}
|—
|
|-style="background:#EEEE00;"
|{{flag|Jamaica}}
|
|{{dts|28 July 1970}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Implicit on succession.{{#tag:ref||name=implicit|group=Note}}
|}
|Succeeded from the United Kingdom.
|-
|{{flag|Japan}}
|{{dts|17 June 1925}}
|{{dts|21 May 1970}}
|—
|
|-style="background:orange;"
|{{flag|Jordan}}
|
|{{dts|20 January 1977}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/><br/><ref group="Reservation" name="c"/>||<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/jordan/acc/paris|title=Jordan: Accession to 1925 Geneva Protocol|access-date=28 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-
|{{flag|Kazakhstan}}
|
|{{dts|20 April 2020}}
|—
|
|-
|{{flag|Kenya}}
|
|{{dts|17 June 1970}}
|—
|
|-style="background:orange;"
|{{flag|North Korea|name=Korea, Democratic People's Republic of}}
|
|{{dts|22 December 1988}}
|
{|
|<ref group="Reservation" name="b"/>||<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/democraticpeoplesrepublicofkorea/acc/paris|title=Democratic People's Republic of Korea: Accession to 1925 Geneva Protocol|access-date=29 August 2017|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-style="background:orange;"
|{{flag|South Korea|name=Korea, Republic of}}
|
|{{dts|29 December 1988}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Reservation 2 withdrawn in 2002 as regards biological agents covered by the [[Biological Weapons Convention|BWC]].
|}
|
|-style="background:orange;"
|{{flag|Kuwait}}
|
|{{dts|15 December 1971}}
|
{|
|<ref group="Reservation" name="c"/><br/><ref group="Reservation" name="f">Ceases to be binding in the case of a violation.</ref>||<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/kuwait/acc/paris|title=Kuwait: Accession to 1925 Geneva Protocol|access-date=28 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-
|{{flag|Kyrgyzstan}}
|
|{{dts|29 June 2020}}
|—
|
|-
|{{flag|Laos}}
|
|{{dts|16 January 1989}}
|—
|
|-
|{{flag|Latvia}}
|{{dts|17 June 1925}}
|{{dts|3 June 1931}}
|—
|
|-
|{{flag|Lebanon}}
|
|{{dts|15 April 1969}}
|—
|
|-style="background:#EEEE00;"
|{{flag|Lesotho}}
|
|{{dts|10 March 1972}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Implicit on succession.{{#tag:ref||name=implicit|group=Note}}
|}
|Succeeded from the United Kingdom.
|-
|{{flag|Liberia}}
|
|{{dts|2 April 1927}}
|—
|
|-style="background:orange;"
|{{flag|Libya}}
|
|{{dts|21 December 1971}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/><br/><ref group="Reservation" name="c"/>||<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/libya/acc/paris|title=Libya: Accession to 1925 Geneva Protocol|access-date=28 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-
|{{flag|Liechtenstein}}
|
|{{dts|16 May 1991}}
|—
|
|-
|{{flag|Lithuania}}
|{{dts|17 June 1925}}
|{{dts|15 June 1933}}
|—
|
|-
|{{flag|Luxembourg}}
|{{dts|17 June 1925}}
|{{dts|1 September 1936}}
|—
|
|-
|{{flag|North Macedonia}}
|
|{{dts|20 August 2015}}
|—
|
|-
|{{flag|Madagascar}}
|
|{{dts|2 August 1967}}
|—
|
|-
|{{flag|Malawi}}
|
|{{dts|4 September 1970}}
|—
|
|-
|{{flag|Malaysia}}
|
|{{dts|7 December 1970}}
|—
|
|-
|{{flag|Maldives}}
|
|{{dts|27 December 1966}}
|—
|
|-style="background:#EEEE00;"
|{{flag|Malta}}
|
|{{dts|9 October 1970}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Implicit on succession.{{#tag:ref||name=implicit|group=Note}}
|}
|Succeeded from the United Kingdom.
|-style="background:#EEEE00;"
|{{flag|Mauritius}}
|
|{{dts|23 December 1970}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Implicit on succession.{{#tag:ref||name=implicit|group=Note}}
|}
|Succeeded from the United Kingdom.
|-
|{{flag|Mexico}}
|
|{{dts|28 March 1932}}
|—
|
|-
|{{flag|Moldova}}
|
|{{dts|14 January 2011}}
|—
|
|-
|{{flag|Monaco}}
|
|{{dts|15 December 1966}}
|—
|
|-style="background:#6495ED;"
|{{flag|Mongolia}}
|
|{{dts|18 November 1968}}
|
{|
|<ref group="Reservation" name="b"/>|||Withdrawn in 1990.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/mongolia/acc/paris|title=Mongolia: Accession to 1925 Geneva Protocol|access-date=28 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-
|{{flag|Morocco}}
|
|{{dts|7 October 1970}}
|—
|
|-
|{{flag|Nepal}}
|
|{{dts|7 May 1969}}
|—
|
|-style="background:#6495ED;"
|{{flag|Netherlands}}
|{{dts|17 June 1925}}
|{{dts|31 October 1930}}
|
{|
|<ref group="Reservation" name="d">Ceases to be binding as to the use of chemical weapons in regards to any enemy state which does not observe the prohibitions of the protocol.</ref>||Withdrawn in 1995.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/netherlands/rat/paris|title=Netherlands: Ratification of 1925 Geneva Protocol|access-date=28 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-style="background:#6495ED;"
|{{flag|New Zealand}}
|
|{{dts|22 January 1930}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Withdrawn in 1989.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/newzealand/acc/paris|title=New Zealand: Accession to 1925 Geneva Protocol|access-date=29 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>

|}
|
|-
|{{flag|Nicaragua}}
|{{dts|17 June 1925}}
|{{dts|5 October 1990}}
|—
|
|-style="background:#EEEE00;"
|{{flag|Niger}}
|
|{{dts|5 April 1967}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Implicit on succession.{{#tag:ref||name=implicit|group=Note}}
|}
|Succeeded from France.
|-style="background:orange;"
|{{flag|Nigeria}}
|
|{{dts|9 October 1968}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/nigeria/acc/paris|title=Nigeria: Accession to 1925 Geneva Protocol|access-date=29 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-
|{{flag|Norway}}
|{{dts|17 June 1925}}
|{{dts|27 July 1932}}
|—
|
|-style="background:#EEEE00;"
|{{flag|Pakistan}}
|
|{{dts|15 April 1960}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Implicit on succession.{{#tag:ref||name=implicit|group=Note}}
|}
|Succeeded from India.
|-
|{{flag|Palestine}}
|
|{{dts|19 January 2018}}
|—
|
|-
|{{flag|Panama}}
|
|{{dts|26 November 1970}}
|—
|
|-style="background:orange;"
|{{flag|Papua New Guinea}}
|
|{{dts|2 September 1980}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Retained Australia's reservations on succession.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/papuanewguinea/suc/paris|title=Papua New Guinea: Succession to 1925 Geneva Protocol|access-date=31 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|Succeeded from Australia.
|-
|{{flag|Paraguay}}
|
|{{dts|22 October 1933}}
|—
|
|-
|{{flag|Peru}}
|
|{{dts|5 June 1985}}
|—
|
|-
|{{flag|Philippines}}
|
|{{dts|29 May 1973}}
|—
|
|-
|{{flag|Poland}}
|{{dts|17 June 1925}}
|{{dts|4 February 1929}}
|—
|
|-style="background:#6495ED;"
|{{flag|Portugal}}
|{{dts|17 June 1925}}
|{{dts|1 July 1930}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Reservation 2 withdrawn in 2003, and reservation 1 withdrawn in 2014.
|}
|
|-
|{{flag|Qatar}}
|
|{{dts|16 September 1976}}
|—
|
|-style="background:#6495ED;"
|{{flag|Romania}}
|{{dts|17 June 1925}}
|{{dts|23 August 1929}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Withdrawn in 1991.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/romania/rat/paris|title=Romania: Ratification of 1925 Geneva Protocol|access-date=31 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-style="background:#6495ED;"
|{{flag|Russia}}
|{{dts|17 June 1925}}
|{{dts|5 April 1928}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Withdrawn in 2001.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/russianfederation/rat/paris|title=Russian Federation: Ratification of 1925 Geneva Protocol|access-date=31 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|Ratified as the [[Union of Soviet Socialist Republics]].
|-style="background:#EEEE00;"
|{{flag|Rwanda}}
|
|{{dts|21 March 1964}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Implicit on succession.{{#tag:ref||name=implicit|group=Note}}
|}
|Succeeded from Belgium.
|-style="background:#EEEE00;"
|{{flag|Saint Kitts and Nevis}}
|
|{{dts|26 October 1989}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Implicit on succession.{{#tag:ref||name=implicit|group=Note}}
|}
|Succeeded from the United Kingdom.
|-style="background:#EEEE00;"
|{{flag|Saint Lucia}}
|
|{{dts|21 December 1988}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Implicit on succession.{{#tag:ref||name=implicit|group=Note}}
|}
|Succeeded from the United Kingdom.
|-style="background:#EEEE00;"
|{{flag|Saint Vincent and the Grenadines}}
|
|{{dts|23 April 1999}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Implicit on succession.{{#tag:ref||name=implicit|group=Note}}
|}
|Succeeded from the United Kingdom.
|-
|{{flag|Saudi Arabia}}
|
|{{dts|27 January 1971}}
|—
|
|-
|{{flag|Senegal}}
|
|{{dts|15 June 1977}}
|—
|
|-style="background:#EEEE00;"
|{{flag|Serbia}}
|
|{{dts|20 January 2003}}
|
{|
|<ref group="Reservation" name="b"/>||Implicit on succession.{{#tag:ref||name=implicit|group=Note}}  Serbia's Parliament voted to withdraw their reservation in May 2009<ref>{{cite web|url=http://www.opbw.org/rev_cons/7rc/BWC_CONF.VII_Press_111205_E.pdf|title=Seventh Review Conference of Biological Weapons Convention|date=5 December 2011|access-date=10 November 2013|archive-date=24 September 2015|archive-url=https://web.archive.org/web/20150924060749/http://www.opbw.org/rev_cons/7rc/BWC_CONF.VII_Press_111205_E.pdf|url-status=dead}}</ref> and the withdrawal was announced in 2010, but the depositary has not been notified.<ref>{{cite web|url=http://www.brad.ac.uk/acad/sbtwc/key7rev/article_VIII.pdf|title=Article VII: Geneva Protocol Obligations and the BTWC|last1=Sims|first1=Nicholas|last2=Pearson|first2=Graham|last3=Woodward|first3=Angela|access-date=10 August 2013|archive-url=https://web.archive.org/web/20150923194231/http://www.brad.ac.uk/acad/sbtwc/key7rev/article_VIII.pdf|archive-date=23 September 2015|url-status=dead}}</ref>
|}
|Succeeded as the [[Federal Republic of Yugoslavia]] from the [[Socialist Federal Republic of Yugoslavia]],{{#tag:ref|Although the FR Yugoslavia claimed to be the continuator state of the SFR of Yugoslavia, the [[United Nations General Assembly]] did not accept this and forced them to reapply for membership.|group=Note}} which had ratified the protocol as the [[Kingdom of Serbs, Croats and Slovenes]] on 12 April 1929.
|-
|{{flag|Sierra Leone}}
|
|{{dts|20 February 1967}}
|—
|
|-
|{{flag|Slovakia}}
|
|{{dts|1 July 1997}}{{#tag:ref|Listed as 28 October 1997 by the [[United Nations Office of Disarmament Affairs]].<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/slovakia/suc/paris|title=Slovakia: Succession to 1925 Geneva Protocol|access-date=31 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>|group=Note}}
|
{|
|<ref group="Reservation" name="b"/>||Withdrawn prior to succession.
|}
|Succeeded from Czechoslovakia, which ratified the protocol on 16 August 1938.
|-
|{{flag|Slovenia}}
|
|{{dts|8 April 2008}}
|—
|
|-style="background:orange;"
|{{flag|Solomon Islands}}
|
|{{dts|1 June 1981}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Retained the United Kingdom's reservations on succession.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/solomonislands/suc/paris|title=Solomon Islands: Succession to 1925 Geneva Protocol|access-date=31 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|Succeeded from the United Kingdom.
|-style="background:#6495ED;"
|{{flag|South Africa}}
|
|{{dts|24 May 1930}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Withdrawn in 1996.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/southafrica/acc/paris|title=South Africa: Accession to 1925 Geneva Protocol|access-date=31 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-style="background:#6495ED;"
|{{flag|Spain}}
|{{dts|17 June 1925}}
|{{dts|22 August 1929}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Withdrawn in 1992.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/spain/rat/paris|title=Spain: Ratification of 1925 Geneva Protocol|access-date=31 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-
|{{flag|Sri Lanka}}
|
|{{dts|20 January 1954}}
|—
|Ratified as the [[Dominion of Ceylon]].
|-
|{{flag|Sudan}}
|
|{{dts|17 December 1980}}
|—
|
|-
|{{flag|Sweden}}
|{{dts|17 June 1925}}
|{{dts|25 April 1930}}
|—
|
|-
|{{flag|Switzerland}}
|{{dts|17 June 1925}}
|{{dts|12 July 1932}}
|—
|
|-style="background:orange;"
|{{flag|Syria}}
|
|{{dts|17 December 1968}}
|
{|
|<ref group="Reservation" name="c"/>||<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/syrianarabrepublic/acc/paris|title=Syrian Arab Republic: Accession to 1925 Geneva Protocol|access-date=31 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-
|{{flag|Tajikistan}}
|
|{{dts|15 November 2019}}
|—
|-
|{{flag|Tanzania}}
|
|{{dts|28 February 1963}}
|—
|Ratified as the [[Republic of Tanganyika]].
|-
|{{flag|Thailand}}
|{{dts|17 June 1925}}
|{{dts|6 June 1931}}
|—{{#tag:ref|Some sources list two reservations by Thailand, but neither the instrument of accession,<ref name=dep/> nor the [[United Nations Office of Disarmament Affairs]] list,<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/thailand/rat/paris|title=Thailand: Ratification of 1925 Geneva Protocol|access-date=31 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref> makes any mention of a reservation.|group=Note}}
|Ratified as [[Siam]].
|-
|{{flag|Togo}}
|
|{{dts|18 November 1970}}
|—
|
|-style="background:#EEEE00;"
|{{flag|Tonga}}
|
|{{dts|19 July 1971}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Implicit on succession.{{#tag:ref||name=implicit|group=Note}}
|}
|Succeeded from the United Kingdom.
|-style="background:#EEEE00;"
|{{flag|Trinidad and Tobago}}
|
|{{dts|24 November 1970}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Implicit on succession.{{#tag:ref||name=implicit|group=Note}}
|}
|Succeeded from the United Kingdom.
|-
|{{flag|Tunisia}}
|
|{{dts|12 July 1967}}
|—
|
|-
|{{flag|Turkey}}
|{{dts|17 June 1925}}
|{{dts|5 October 1929}}
|—
|
|-
|{{flag|Uganda}}
|
|{{dts|2 April 1965}}
|—
|
|-style="background:#EEEE00;"
|{{flag|Ukraine}}
|
|{{dts|7 August 2003}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Implicit on succession.{{#tag:ref|According to the [[Vienna Convention on Succession of States in respect of Treaties]], states which succeed to a treaty after gaining independence from a state party "shall be considered as maintaining any reservation to that treaty which was applicable at the date of the succession of States in respect of the territory to which the succession of States relates unless, when making the notification of succession, it expresses a contrary intention or formulates a reservation which relates to the same subject matter as that reservation."  Any state which has not clarified their position on reservations inherited on succession are listed as "implicit" reservations.|name=implicit|group=Note}}
|}
|Succeeded from the Union of Soviet Socialist Republics.
|-style="background:#6495ED;"
|{{flag|United Kingdom}}
|{{dts|17 June 1925}}
|{{dts|9 April 1930}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||Reservation 2 withdrawn in 1991 as regards biological agents covered by the [[Biological Weapons Convention|BWC]], and reservations completely withdrawn in 2002.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/unitedkingdomofgreatbritainandnorthernireland/rat/paris|title=United Kingdom of Great Britain and Northern Ireland: Ratification of 1925 Geneva|access-date=31 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-style="background:orange;"
|{{flag|United States of America}}
|{{dts|17 June 1925}}
|{{dts|10 April 1975}}
|
{|
|<ref group="Reservation" name="d"/>||<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/unitedstatesofamerica/rat/paris|title=United States of America: Ratification of 1925 Geneva Protocol|access-date=31 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-
|{{flag|Uruguay}}
|{{dts|17 June 1925}}
|{{dts|12 April 1977}}
|—
|
|-
|{{flag|Uzbekistan}}
|
|{{dts|5 October 2020}}
|—
|
|-
|{{flag|Venezuela}}
|{{dts|17 June 1925}}
|{{dts|8 February 1928}}
|—
|
|-style="background:orange;"
|{{flag|Vietnam}}
|
|{{dts|15 December 1980}}
|
{|
|<ref group="Reservation" name="a"/><br/><ref group="Reservation" name="b"/>||<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/vietnam/acc/paris|title=Viet Nam: Accession to 1925 Geneva Protocol|access-date=31 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
|
|-style="background:orange;"
|{{flag|Yemen}}
|
|{{dts|11 March 1971}}
|
{|
|<ref group="Reservation" name="c"/>||Made in a second instrument of accession submitted on 16 September 1973.{{#tag:ref|According to the [[Vienna Convention on the Law of Treaties]], states may make a reservation when "signing, ratifying, accepting, approving or acceding to a treaty".|group=Note}}
|}
|Ratified as the [[Yemen Arab Republic]]. Also ratified by the [[People's Democratic Republic of Yemen]] on 20 October 1986, prior to [[Yemeni unification]] in 1990.<ref>{{cite web|url=http://disarmament.un.org/treaties/a/1925/yemen/acc/paris|title=Yemen: Accession to 1925 Geneva Protocol|access-date=31 July 2013|publisher=[[United Nations Office of Disarmament Affairs]]}}</ref>
|}
{{legend|#6495ED|Parties with withdrawn reservations}}
{{legend|#EEEE00|Parties with implicit reservations}} 
{{legend|orange|Parties with unwithdrawn reservations limiting the applicability of provisions of the Protocol}}

;Reservations
{{reflist|group=Reservation}}

;Notes
{{reflist|group=Note}}
<!--Summary of crosscheck with the documents available from the depositary
Nothing available: Antigua and Barbuda, Barbados, Costa Rica, Czech Republic, El Salvador, Libya, Malawi, Malaysia, Malta, Mexico, Moldova, Saint Lucia, Saint Vincent and the Grenadines, Serbia (from FRY), Slovakia, Tonga, Ukraine
Only withdrawal available: Australia, New Zealand, South Africa
No withdrawal available: Belgium, Canada (1999), France, Romania, Russia, Spain, United Kingdom (2002)
Nothing on the original reservation: Estonia (not in original), Portugal (only in notification), Spain (only in notification), Soviet Union (only in notification)
Cambodia: 1993 acceptance not available
Bosnia asked if they automatically succeeded ($41)
Burundi claimed to have succeeded (#51)
-->