| Country | Action | Action Date | Effective Date |
|---|
| Antilles | Extension | 01/01/1986 | |
| Aruba | Extension | 01/01/1986 | |
| AUSTRIA-HUNGARY | Signature | 15/06/1910 | |
| AUSTRIA-HUNGARY | Ratification | 13/10/1911 | |
| BELGIUM | Signature | 15/06/1910 | |
| BELGIUM | Ratification | 06/06/1911 | |
| DENMARK | Signature | 15/06/1910 | |
| DENMARK | Ratification | 20/05/1911 | |
| FRANCE | Signature | 15/06/1910 | |
| FRANCE | Ratification | 15/06/1911 | |
| GERMANY | Signature | 15/06/1910 | |
| GERMANY | Ratification | 06/06/1911 | |
| ITALY | Signature | 15/06/1910 | |
| ITALY | Ratification | 26/05/1911 | |
| LIBERIA | Signature | 15/06/1910 | |
| LIBERIA | Ratification | 24/11/1911 | |
| NETHERLANDS THE | Signature | 15/06/1910 | |
| NETHERLANDS THE | Ratification | 26/04/1911 | |
| NORWAY | Signature | 15/06/1910 | |
| NORWAY | Ratification | 14/06/1911 | |
| PERSIA | Signature | 15/06/1910 | |
| PERSIA | Ratification | 29/12/1911 | |
| PORTUGAL | Signature | 15/06/1910 | |
| PORTUGAL | Ratification | 23/11/1911 | |
| RUSSIA | Signature | 15/06/1910 | |
| RUSSIA | Ratification | 14/06/1911 | |
| SPAIN | Signature | 15/06/1910 | |
| SPAIN | Ratification | 02/06/1911 | |
| SWEDEN | Signature | 15/06/1910 | |
| SWEDEN | Ratification | 08/06/1911 | |
| TURKEY | Signature | 15/06/1910 | |
| TURKEY | Ratification | 20/04/1911 | |
| UNITED KINGDOM | Signature | 15/06/1910 | |
| UNITED KINGDOM | Ratification | 27/04/1911 | |