| Belgium | (February 10th, 1923) |
| This ratification does not apply to the Belgian Congo. |
| Brazil | (November 21st, 1932 a) |
| Great Britain and Northern Ireland | (October 23rd, 1930 s) |
| Does not include any Colonies, Protectorates or Territories
under suzerainty or mandate of His Britannic Majesty. |
| Burma2 | |
| India | (October 23rd, 1930 s) |
| Does not include any of the Indian States under British suzerainty. |
| China | (May 29th, 1935) |
| Free City of Danzig (through the intermediary of Poland) | (October 2nd, 1933) |
| Denmark | (April 29th, 1931 s) |
| Estonia | (September 16th, 1936) |
| Finland | (May 23rd, 1934) |
| France | (October 23rd, 1930 s) |
| Morocco | (October 23rd, 1930 s) |
| Tunis | (October 23rd, 1930 s) |
| French Colonies and Mandated Territories as follows: |
| Cameroons | (October 28th, 1933 a) |
| French Coast of Somaliland | (October 28th, 1933 a) |
| French Equatorial Africa | (October 28th, 1933 a) |
| French Settlements in India | (October 28th, 1933 a) |
| French West Africa | (October 28th, 1933 a) |
| Guadeloupe, Guiana | (October 28th, 1933 a) |
| Indo-China | (October 28th, 1933 a) |
| Madagascar, Martinique | (October 28th, 1933 a) |
| New Caledonia | (October 28th, 1933 a) |
| Oceania | (October 28th, 1933 a) |
| Reunion | (October 28th, 1933 a) |
| St. Pierre and Miquelon | (October 28th, 1933 a) |
| Togoland | (October 28th, 1933 a) |
| Greece | (October 23rd, 1930 s) |
| Iraq | (October 15th, 1935 a) |
| Latvia | (September 17th, 1935 a) |
| Monaco | (October 23rd, 1930 s) |
| The Netherlands | (October 23rd, 1930 s) |
| (Including the Netherlands Indies.) |
| Poland | (October 2nd, 1933) |
| Portugal | (October 23rd, 1930 s) |
| Romania | (June 1st, 1931 s) |
| Spain | (November 3rd, 1933) |
| Sweden | (February 3rd, 1933) |
| Union of Soviet Socialist Republics | (April 27th, 1931 s) |
| Turkey | (June 27th, 1936 a) |
| Yugoslavia | (January 16th, 1934) |
