| Country | Action | Action Date | Effective Date |
|---|
| AUSTRALIA | Signature | 21/12/1960 | |
| AUSTRALIA | Ratification | 06/03/1961 | |
| AUSTRIA | Signature | 30/12/1960 | |
| AUSTRIA | Ratification | 06/12/1961 | |
| BELGIUM | Signature | 21/10/1960 | |
| BELGIUM | Ratification | 27/06/1962 | |
| BOLIVIA | Signature | 29/12/1960 | |
| BOLIVIA | Ratification | 21/02/1962 | |
| CANADA | Signature | 02/12/1960 | |
| CANADA | Ratification | 22/03/1961 | |
| CONGO | Signature | 25/11/1960 | |
| CONGO | Ratification | 30/12/1960 | |
| DENMARK | Signature | 23/12/1960 | |
| DENMARK | Ratification | 20/03/1961 | |
| FRANCE | Signature | 30/11/1960 | |
| FRANCE | Ratification | 31/05/1961 | |
| INDIA | Signature | 29/12/1960 | |
| INDIA | Ratification | 09/06/1961 | |
| INDONESIA | Signature | 30/11/1960 | |
| INDONESIA | Ratification | 28/06/1961 | |
| ITALY | Signature | 05/12/1960 | |
| ITALY | Ratification | 10/04/1963 | |
| JAPAN | Signature | 29/12/1960 | |
| JAPAN | Ratification | 24/11/1961 | |
| KOREA REPUBLIC OF | Accession | 21/12/1961 | |
| MALAYA | Signature | 01/09/1960 | |
| MALAYA | Ratification | 19/12/1960 | |
| MEXICO | Signature | 22/12/1960 | |
| MEXICO | Ratification | 05/06/1962 | |
| NETHERLANDS THE | Signature | 22/12/1960 | |
| NETHERLANDS THE | Ratification | 30/06/1961 | |
| NETHERLANDS THE | Declaration | 30/06/1961 | |
| NIGERIA | Signature | 01/09/1960 | |
| NIGERIA | Ratification | 28/06/1961 | |
| SPAIN | Signature | 30/12/1960 | |
| SPAIN | Ratification | 27/01/1962 | |
| THAILAND | Signature | 27/09/1960 | |
| THAILAND | Ratification | 27/06/1961 | |
| TURKEY | Signature | 29/09/1960 | |
| TURKEY | Ratification | 23/07/1964 | |
| UNITED KINGDOM | Signature | 01/09/1960 | |
| UNITED KINGDOM | Signature | 03/11/1960 | |
| UNITED KINGDOM | Ratification | 26/06/1961 | |