| Country | Action | Action Date | Effective Date |
|---|
| AUSTRIA | Signature | 05/07/1922 | |
| AUSTRIA | Adoption | 20/12/1922 | 01/01/1923 |
| BOLIVIA | Accession | 28/09/1922 | |
| BULGARIA | Signature | 05/07/1922 | |
| BULGARIA | Adoption | 29/11/1922 | |
| CHILE | Accession | 09/07/1923 | |
| CHINA | Accession | 29/11/1923 | |
| CZECHOSLOVAKIA | Signature | 05/07/1922 | |
| DENMARK | Accession | | 01/08/1923 |
| ESTONIA | Accession | 17/07/1922 | |
| FINLAND | Signature | 05/07/1922 | |
| FINLAND | Adoption | 15/08/1922 | |
| FRANCE | Signature | 05/07/1922 | |
| FRANCE | Adoption | 04/09/1922 | |
| GERMANY | Accession | 06/01/1923 | |
| GREECE | Signature | 05/07/1922 | |
| GREECE | Adoption | 28/12/1922 | |
| GUATEMALA | Accession | 12/12/1922 | |
| HUNGARY | Signature | 05/07/1922 | |
| HUNGARY | Adoption | 31/08/1923 | |
| ITALY | Accession | 23/11/1922 | |
| JAPAN | Signature | 05/07/1922 | |
| JAPAN | Adoption | 30/07/1923 | 01/01/1924 |
| LATVIA | Accession | 18/09/1922 | |
| LITHUANIA | Accession | 12/01/1923 | |
| MEXICO | Accession | 28/02/1923 | |
| NETHERLANDS THE | Accession | 01/12/1922 | |
| NORWAY | Accession | 31/10/1922 | 01/01/1923 |
| POLAND | Signature | 05/07/1922 | |
| POLAND | Adoption | 18/06/1923 | |
| PORTUGAL | Accession | 30/07/1923 | |
| PORTUGAL | Reservation | 30/07/1923 | |
| ROUMANIA | Signature | 05/07/1922 | |
| ROUMANIA | Adoption | 29/09/1922 | |
| SAAR TERRITORY | Accession | 01/04/1926 | |
| SERB-CROAT-SLOVENE STATE | Signature | 05/07/1922 | |
| SPAIN | Signature | 05/07/1922 | |
| SWEDEN | Signature | 05/07/1922 | |
| SWEDEN | Adoption | 01/05/1924 | |
| SWITZERLAND | Signature | 05/07/1922 | |
| SWITZERLAND | Adoption | 20/10/1922 | 01/01/1923 |
| UNITED KINGDOM | Signature | 05/07/1922 | |
| UNITED KINGDOM | Ratification | 07/09/1922 | |
| UNITED KINGDOM | Adoption | 07/09/1922 | |
| URUGUAY | Accession | 02/09/1924 | |