| Entry into force: | 25 May 1937 in accordance with articles 11 and 12. |
| Registration: | 25 May 1937, No. 41171. |
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| United States of America | (August 3rd, 1932) |
| Belgium | (April 4th, 1939) |
| Subject to accession later for the Colony of the Congo and the Mandated Territories. | |
| Brazil | (September 19th, 1931 a) |
| United Kingdom of Great Britain and Northern Ireland | (January 14th, 1932) |
| and all parts of the British Empire which are not separate Members of the League of Nations2 | |
| Burma3 | |
| His Majesty the King does not assume any obligation in respect of the Karenni States, which are under His Majesty's suzerainty, or the population of the said States. | |
| Australia | (July 8th, 1935 a) |
| Including the territories of Papua and Norfolk Island and the mandated territories of New Guinea and Nauru. | |
| Union of South Africa | (October 9th, 1935 a) |
| Subject to reservation as regards Article 2. | |
| India | (September 28th, 1932) |
| In accordance with the provisions of Article 15, His Britannic Majesty does not assume any obligation in respect of the territories in India of any Prince or Chief under his suzerainty or the population of the said territories. | |
| Colombia | (February 24th, 1937) |
| Cuba | (October 22nd, 1936) |
| The Government of Cuba declares that it does not accept the obligation imposed by Article 2 of the Protocol when the minor referred to in that Article, although he has the right, on attaining his majority, to renounce or decline Cuban nationality, habitually resides in the territory of the State and is in fact more closely connected with the latter than with any other State whose nationality he may also possess. | |
| Netherlands4 | (April 2nd, 1937) |
| Including the Netherlands Indies, Surinam and Curacao . | |
| Salvador | (October 14th, 1935) |
| Sweden | (July 6th, 1933) |
Canada | Chile | Denmark | Egypt | France | Germany | Greece | Ireland | Luxembourg | Mexico | Peru | Portugal | Spain | Uruguay | |
| Participant | Ratification, Accession (a), Succession (d) |
| Austria | 28 Jul 1958 |
| Cyprus | 27 Mar 1970 d |
| Fiji | 12 Jun 1972 d |
| Kiribati | 29 Nov 1983 d |
| Lesotho | 4 Nov 1974 d |
| Liberia | 16 Sep 2005 a |
| Malawi | 13 Oct 1966 a |
| Malta | 16 Aug 1966 d |
| Mauritania | 2 Mar 1966 a |
| Mauritius | 18 Jul 1969 d |
| Niger | 25 Jul 1966 a |
| Nigeria | 17 Mar 1967 a |
| Swaziland | 18 Sep 1970 a |
| Zimbabwe | 1 Dec 1998 d |
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1. League of Nations, Treaty Series, vol. 178, p. 227.
2. See note 2 under "United Kingdom of Great Britain and Northern Ireland" regarding Hong Kong in the "Historical Information" section in the front matter of this volume.
3. See note 1 under "Myanmar" in the "Historical Information" section in the front matter of this volume.
4. See note 1 under "Netherlands" regarding Aruba/Netherlands Antilles in the "Historical Information" section in the front matter of this volume.