| Country | Action | Action Date | Effective Date |
|---|
| ARGENTINA | Accession | 30/09/1963 | |
| AUSTRALIA | Signature | 19/12/1958 | |
| AUSTRALIA | Acceptance | 23/12/1958 | |
| Bahamas | Extension | 01/01/1959 | |
| BELGIUM | Signature | 23/12/1958 | |
| BELGIUM | Notification | 23/12/1958 | |
| BELGIUM | Notification | 31/12/1958 | |
| BELGIUM | Acceptance | 30/03/1960 | |
| Bermuda | Extension | 01/01/1959 | |
| BRAZIL | Notification | 06/12/1958 | |
| BRAZIL | Signature | 15/12/1958 | |
| BRAZIL | Acceptance | 05/11/1959 | |
| British Guiana | Extension | 01/01/1959 | |
| British Honduras | Extension | 01/01/1959 | |
| British Virgin Islands | Extension | 01/01/1959 | |
| CANADA | Signature | 23/12/1958 | |
| CANADA | Notification | 23/12/1958 | |
| CANADA | Notification | 30/12/1958 | |
| CANADA | Acceptance | 06/04/1959 | |
| COLOMBIA | Accession | 15/02/1961 | |
| COSTA RICA | Signature | 22/12/1958 | |
| COSTA RICA | Notification | 22/12/1958 | |
| COSTA RICA | Acceptance | 23/06/1959 | |
| CUBA | Signature | 18/12/1958 | |
| CUBA | Notification | 27/12/1958 | |
| CUBA | Acceptance | 15/06/1959 | |
| Cyprus | Extension | 01/01/1959 | |
| Cyprus | Withdrawn | 16/08/1960 | |
| CZECHOSLOVAKIA | Notification | 28/01/1958 | |
| CZECHOSLOVAKIA | Signature | 23/12/1958 | |
| CZECHOSLOVAKIA | Notification | 23/12/1958 | |
| CZECHOSLOVAKIA | Acceptance | 23/07/1959 | |
| DENMARK | Signature | 23/12/1958 | |
| DENMARK | Notification | 23/12/1958 | |
| DENMARK | Acceptance | 29/05/1959 | |
| DOMINICAN REPUBLIC | Signature | 23/12/1958 | |
| DOMINICAN REPUBLIC | Notification | 27/12/1958 | |
| DOMINICAN REPUBLIC | Notification | 30/12/1958 | |
| DOMINICAN REPUBLIC | Acceptance | 03/06/1959 | |
| ECUADOR | Accession | 19/01/1961 | |
| Falkland Islands | Extension | 01/01/1959 | |
| Fiji | Extension | 01/01/1959 | |
| FRANCE | Signature | 23/12/1958 | |
| FRANCE | Notification | 23/12/1958 | |
| FRANCE | Notification | 31/12/1958 | |
| FRANCE | Acceptance | 01/06/1959 | |
| GERMANY FEDERAL REPUBLIC | Signature | 23/12/1958 | |
| GERMANY FEDERAL REPUBLIC | Notification | 31/12/1958 | |
| GERMANY FEDERAL REPUBLIC | Acceptance | 28/03/1960 | |
| GHANA | Signature | 24/12/1958 | |
| GHANA | Notification | 31/12/1958 | |
| GHANA | Acceptance | 04/03/1959 | |
| Gibraltar | Extension | 01/01/1959 | |
| Gilbert And Ellice Islands | Extension | 01/01/1959 | |
| GREECE | Signature | 23/12/1958 | |
| GREECE | Notification | 31/12/1958 | |
| GUATEMALA | Signature | 22/12/1958 | |
| GUATEMALA | Notification | 22/12/1958 | |
| GUATEMALA | Acceptance | 11/12/1959 | |
| HAITI | Signature | 23/12/1958 | |
| HAITI | Notification | 29/12/1958 | |
| HAITI | Acceptance | 06/04/1960 | |
| Hong Kong | Extension | 01/01/1959 | |
| HUNGARY | Accession | 20/05/1959 | |
| INDIA | Accession | 13/07/1961 | |
| INDONESIA | Signature | 24/12/1958 | |
| INDONESIA | Notification | 29/12/1958 | |
| INDONESIA | Acceptance | 06/11/1959 | |
| IRELAND, REPUBLIC OF | Signature | 22/12/1958 | |
| IRELAND, REPUBLIC OF | Notification | 22/12/1958 | |
| IRELAND, REPUBLIC OF | Acceptance | 05/06/1959 | |
| ISRAEL | Signature | 23/12/1958 | |
| ITALY | Signature | 23/12/1958 | |
| ITALY | Notification | 23/12/1958 | |
| ITALY | Acceptance | 16/02/1962 | |
| JAMAICA | Accession | 20/08/1963 | |
| JAPAN | Signature | 23/12/1958 | |
| JAPAN | Notification | 29/12/1958 | |
| JAPAN | Acceptance | 01/05/1959 | |
| Kenya | Extension | 21/03/1960 | |
| Kenya | Withdrawn | 12/12/1963 | |
| Land Berlin | Extension | 28/03/1960 | |
| LEBANON | Accession | 03/07/1961 | |
| Mauritius | Extension | 01/01/1959 | |
| MEXICO | Signature | 19/12/1958 | |
| MEXICO | Notification | 22/12/1958 | |
| MEXICO | Acceptance | 28/03/1960 | |
| MOROCCO | Signature | 23/12/1958 | |
| MOROCCO | Notification | 31/12/1958 | |
| MOROCCO | Acceptance | 26/10/1959 | |
| NETHERLANDS THE | Signature | 23/12/1958 | |
| NETHERLANDS THE | Notification | 23/12/1958 | |
| NETHERLANDS THE | Acceptance | 02/02/1961 | |
| Netherlands West Indies | Extension | 01/01/1959 | |
| NEW ZEALAND | Accession | 28/11/1960 | |
| NICARAGUA | Signature | 19/12/1958 | |
| NICARAGUA | Notification | 29/12/1958 | |
| NICARAGUA | Acceptance | 14/09/1959 | |
| Nigeria | Extension | 01/01/1959 | |
| NIGERIA | Accession | 12/12/1961 | |
| Nigeria | Withdrawn | 01/10/1962 | |
| PANAMA | Notification | 23/12/1958 | |
| PANAMA | Signature | 24/12/1958 | |
| PANAMA | Notification | 31/12/1958 | |
| PANAMA | Acceptance | 18/03/1959 | |
| PARAGUAY | Accession | 11/10/1961 | |
| PERU | Signature | 04/12/1958 | |
| PERU | Acceptance | 22/12/1958 | |
| PHILIPPINES | Signature | 23/12/1958 | |
| PHILIPPINES | Notification | 23/12/1958 | |
| PHILIPPINES | Acceptance | 16/07/1959 | |
| POLAND | Signature | 23/12/1958 | |
| POLAND | Notification | 23/12/1958 | |
| POLAND | Acceptance | 28/10/1959 | |
| PORTUGAL | Signature | 23/12/1958 | |
| PORTUGAL | Notification | 29/12/1958 | |
| PORTUGAL | Acceptance | 21/03/1960 | |
| SALVADOR | Accession | 03/11/1959 | |
| Sarawak | Extension | 16/10/1959 | |
| Sarawak | Withdrawn | 16/09/1963 | |
| Seychelles | Extension | 01/01/1959 | |
| Sierra Leone | Extension | 01/01/1959 | |
| Sierra Leone | Withdrawn | 27/04/1961 | |
| Solomon Islands | Extension | 01/01/1959 | |
| Somaliland Protectorate | Extension | 01/01/1959 | |
| Somaliland Protectorate | Withdrawn | 26/06/1960 | |
| SOUTH AFRICA | Signature | 19/12/1958 | |
| SOUTH AFRICA | Ratification | 30/12/1958 | |
| SOVIET UNION | Signature | 24/12/1958 | |
| SOVIET UNION | Notification | 24/12/1958 | |
| SOVIET UNION | Acceptance | 01/06/1959 | |
| St Helena | Extension | | 16/10/1959 |
| Swaziland | Extension | 12/07/1963 | |
| Swaziland | Withdrawn | 06/09/1968 | |
| TAIWAN | Notification | 23/12/1958 | |
| TAIWAN | Acceptance | 29/05/1959 | |
| TAIWAN | Signature | 29/05/1959 | |
| Tanganyika | Extension | 21/03/1960 | |
| Tanganyika | Denunciation | 09/12/1961 | |
| The Gambia | Extension | 01/01/1959 | |
| The Gambia | Withdrawn | 18/02/1965 | |
| TRINIDAD AND TOBAGO | Accession | 21/02/1963 | |
| Uganda | Extension | 21/03/1960 | |
| Uganda | Withdrawn | 09/10/1962 | |
| UNITED KINGDOM | Signature | 01/12/1958 | |
| UNITED KINGDOM | Acceptance | 29/12/1958 | |
| UNITED KINGDOM | Declaration | 01/01/1959 | |
| UNITED STATES OF AMERICA | Acceptance | 09/10/1959 | |
| UPPER VOLTA | Accession | 15/06/1964 | |
| USA Responsible Territories | Extension | 01/01/1959 | |
| West Indies | Extension | 01/01/1959 | |
| Western Pacific High Commsn Territories | Extension | 01/01/1959 | |
| Zanzibar | Extension | 01/01/1959 | |
| Zanzibar | Withdrawn | 10/12/1963 | |