| Entry into force: | 4 May 1949, in accordance with article 51. |
| Registration: | 4 May 1949, No. 445. |
| Status: | Signatories: 16 ,Parties: 35. |
| Text: | United Nations, Treaty Series, vol. 30, p. 3. |
Note: The Protocol was approved by the General Assembly of the United Nations in resolution 256 (III)2 of 3 December 1948.
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| Participant3 | Signature | Definitive signature (s), Acceptance (A), Succession (d) |
| Australia | 8 Dec 1949 s | |
| Austria | 4 Aug 1950 s | |
| Belgium | 20 May 1949 | 13 Oct 1952 A |
| Brazil | 4 May 1949 | |
| Canada | 4 May 1949 s | |
| China4,5 | 4 May 1949 s | |
| Colombia | 1 Jun 1949 | |
| Cuba | 4 May 1949 | 2 Dec 1983 A |
| Czech Republic6 | 30 Dec 1993 d | |
| Denmark | 21 Nov 1949 | 1 Mar 1950 A |
| Egypt | 9 May 1949 | 16 Sep 1949 A |
| El Salvador | 5 May 1949 | |
| Fiji | 1 Nov 1971 d | |
| Finland | 31 Oct 1949 A | |
| France | 5 May 1949 s | |
| Iceland | 25 Oct 1950 A | |
| India | 12 May 1949 | 28 Dec 1949 A |
| Iran (Islamic Republic of) | 28 Dec 1949 | 30 Dec 1959 A |
| Iraq | 1 Jun 1949 | 14 Sep 1950 A |
| Ireland | 28 Feb 1952 A | |
| Italy | 13 Nov 1952 A | |
| Luxembourg | 4 May 1949 | 14 Mar 1955 A |
| Mexico | 22 Jul 1952 A | |
| Netherlands | 2 Jun 1949 | 26 Sep 1950 A |
| New Zealand | 14 Oct 1950 s | |
| Norway | 4 May 1949 s | |
| Pakistan | 13 May 1949 | 4 May 1951 A |
| Romania7 | 2 Nov 1950 s | |
| Russian Federation7 | 14 May 1949 s | |
| Slovakia6 | 28 May 1993 d | |
| Solomon Islands | 3 Sep 1981 d | |
| South Africa | 1 Sep 1950 s | |
| Sri Lanka | 14 Jul 1949 s | |
| Switzerland | 23 Sep 1949 A | |
| Turkey | 4 May 1949 | 13 Sep 1950 A |
| United Kingdom of Great Britain and Northern Ireland5 | 4 May 1949 s | |
| United States of America | 4 May 1949 | 14 Aug 1950 A |
| Yugoslavia | 4 May 1949 | 29 Apr 1953 A |
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1. The amendments set forth in the annex to the Protocol entered into force on 1 March 1950, in accordance with the second paragraph of article 5 of the Protocol.
2. Official Records of the General Assembly, Third Session, Part I, Resolutions (A-810), p. 164.
3. An instrument of acceptance of the Protocol was deposited on 2 December 1975 with the Secretary-General by the Government of the German Democratic Republic with a declaration. For the text of the declaration, see United Nations, Treaty Series, vol. 987, p. 410. A "notification of reapplication" of the Agreement of 4 May 1910 on behalf of the German Democratic Republic had been deposited with the Secretary-General on 4 October 1974. See also note 14 in chapter I.2.
4. See note concerning signatures, ratifications, accessions, etc., on behalf of China (note 4 in chapter I.1).
5. On 6 June and 10 June 1997, the Governments of China and the United Kingdom of Great Britain and Northern Ireland notified the Secretary-General of the following:
China:
[Same notification as the one made under note 2 in chapter V.3.]
United Kingdom of Great Britain and Northern Ireland:
[Same notification as the one made under note 4 in chapter IV.1.]
6. Czechoslovakia had signed and ratified the Protocol on 9 May 1949 and 21 June 1951, respectively. See also note 11 in chapter I.2.
7. In signing the Protocol, the Governments of the People's Republic of Romania and the Union of Soviet Socialist Republics declared that they are not in agreement with article 7 of the annex to the said Protocol.