| Entry into force: | 20 April 1921. |
| Registration: | 8 October 1921, No. 1741. |
|
|
| Albania | (October 8th, 1921) |
| Austria | (July 10th, 1924) |
| Belgium | (May 16th, 1927) |
| British Empire, including Newfoundland | (October 9th, 1922) |
| Canada | (October 31st, 1922 a) |
| Australia | (October 31st, 1922 a) |
| New Zealand | (October 9th, 1922) |
| Union of South Africa | (October 31st, 1922 a) |
| India | (October 9th, 1922) |
| Bulgaria | (July 11th, 1922) |
| Chile | (March 19th 1928) |
| Czechoslovakia 2 | (September 8th, 1924) |
| Denmark | (November 13th, 1922) |
| Estonia 3 | |
| Finland | (September 22nd, 1922 a) |
| France 3 | |
| Germany | (November 10th, 1931 a) |
| Greece | (January 3rd, 1928) |
| Hungary | (May 18th, 1928 a) |
| Iraq | (April 17th, 1935 a) |
| Italy 3 | |
| Japan | (February 20th, 1924) |
| Latvia | (February 12th, 1924) |
| Mexico | (October 17th, 1935 a) |
| The Netherlands3,4 (including NetherlandsIndies, Surinam and Curaçao) | (November 28th, 1921) |
| Norway | (September 4th, 1923) |
| Poland | (December 20th, 1924) |
| Romania | (February 22nd, 1923 a) |
| Spain | (July 1st, 1929) |
| Sweden | (January 19th, 1925) |
| Switzerland 3 | |
| Thailand | (November 29th, 1922 a) |
| Turkey | (June 27th, 1933 a) |
| Union of Soviet Socialist Republics | (May 16th, 1935 a) |
| Yugoslavia | (May 7th, 1930) |
| Bolivia |
| China5 |
| Guatemala |
| Iran |
| Lithuania |
| Panama |
| Peru (a) |
| Portugal |
| Uruguay |
| Participant6,7 | Accession (a), Succession (d) |
| Antigua and Barbuda | 25 Oct 1988 d |
| Croatia | 3 Aug 1992 d |
| Czech Republic2 | 9 Feb 1996 d |
| Fiji | 15 Mar 1972 d |
| Lesotho | 23 Oct 1973 d |
| Malawi | 11 Jun 1969 d |
| Malta | 21 Sep 1966 d |
| Mauritius | 18 Jul 1969 d |
| Mongolia | 15 Oct 1976 a |
| Rwanda | 10 Feb 1965 d |
| Slovakia2 | 28 May 1993 d |
| Solomon Islands | 3 Sep 1981 d |
| Swaziland | 16 Oct 1970 a |
| Zimbabwe | 1 Dec 1998 d |
|
|
1. League of Nations, Treaty Series, vol. 7, p. 73.
2. See note 11 in chapter I.2.
3. Accepts Declaration as binding without ratification.
5. See note concerning signatures, ratifications, accessions, etc., on behalf of China (note 4 in chapter I.1).
6. In a notification received on 31 January 1974, the Government of the German Democratic Republic stated that the German Democratic Republic had declared the reapplication of the Convention as of 4 June 1958.
In this connection, the Secretary-General received, on 23 February 1976, the following communication from the Government of the Federal Republic of Germany:
With reference to the communication by the German Democratic Republic of 31 January 1974, concerning the application, as from 4June 1958, of the Declaration of 20 April 1921 recognizing the Right to a Flag of States having no Sea-coast, the Government of the Federal Republic of Germany declares that in the relation between the Federal Republic of Germany and the German Democratic Republic the declaration of application has no retroactive effect beyond 21June1973.
Subsequently, in a communication received on 17 June 1976, the Government of the German Democratic Republic declared:
"The Government of the German Democratic Republic takes the view that in accordance with the applicable rules of international law and the international practice of States the regulations on the reapplication of agreements concluded under international law are an internal affair of the successor State concerned. Accordingly, the German Democratic Republic was entitled to determine the date of reapplication of the Declaration recognizing the Right to a Flag of States having no Sea-coast, April 20th, 1921 to which it established its status as a party by way of succession."
See also note 14 in chapter I.2.
7. On 6 June 1997, the Government of China notified the Secretary-General of the following:
[Same notification as the one made under note 2 in chapterV.3.]