| Country | Action | Action Date | Effective Date |
|---|
| Antilles | Extension | | 01/01/1986 |
| Aruba | Extension | | 01/01/1986 |
| Australia | Extension | 05/07/1907 | 05/08/1907 |
| BELGIUM | Signature | 14/12/1900 | |
| BELGIUM | Ratification | 10/12/1901 | |
| BRAZIL | Signature | 14/12/1900 | |
| BRAZIL | Ratification | 08/04/1903 | |
| CEYLON | Accession | 14/12/1900 | |
| Ceylon | Extension | 10/06/1905 | |
| CUBA | Accession | 17/10/1904 | 17/11/1904 |
| CZECHOSLOVAKIA | Accession | 20/10/1919 | |
| DENMARK | Signature | 14/12/1900 | |
| DENMARK | Ratification | 10/10/1901 | |
| DOMINICAN REPUBLIC | Signature | 14/12/1900 | |
| FRANCE | Signature | 14/12/1900 | |
| FRANCE | Ratification | 01/01/1905 | |
| GERMANY | Accession | 21/03/1903 | 01/05/1903 |
| JAPAN | Signature | 14/12/1900 | |
| JAPAN | Ratification | 21/04/1902 | |
| LUXEMBOURG | Accession | 01/03/1946 | |
| MEXICO | Accession | 13/08/1903 | 07/09/1903 |
| NETHERLANDS THE | Signature | 14/12/1900 | |
| NETHERLANDS THE | Ratification | 10/06/1902 | |
| NEW ZEALAND | Accession | 14/12/1900 | |
| NORWAY | Signature | 14/12/1900 | |
| NORWAY | Ratification | 05/06/1902 | |
| POLAND | Accession | 20/11/1919 | |
| PORTUGAL | Signature | 14/12/1900 | |
| PORTUGAL | Ratification | 05/11/1901 | |
| SERBIA | Signature | 14/12/1900 | |
| SPAIN | Signature | 14/12/1900 | |
| SWEDEN | Signature | 14/12/1900 | |
| SWEDEN | Ratification | 05/06/1902 | |
| SWITZERLAND | Signature | 14/12/1900 | |
| SWITZERLAND | Ratification | 05/08/1901 | |
| Trinidad And Tobago | Extension | 14/04/1908 | 14/05/1908 |
| TUNIS | Signature | 14/12/1900 | |
| TUNIS | Ratification | 23/05/1902 | |
| UNITED KINGDOM | Signature | 14/12/1900 | |
| UNITED KINGDOM | Ratification | 06/12/1901 | |
| UNITED KINGDOM | Ratification | 14/09/1902 | |
| UNITED STATES OF AMERICA | Signature | 14/12/1900 | |
| UNITED STATES OF AMERICA | Ratification | 03/05/1901 | |