| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| BELGIUM | Accession | 22/07/1953 | |
| BELGIUM | Declaration | 22/07/1953 | |
| CHINA | Accession | 20/12/1950 | |
| GERMANY FEDERAL REPUBLIC | Accession | 30/01/1956 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 30/01/1956 | |
| GUATEMALA | Accession | 25/12/1951 | |
| ISRAEL | Accession | 07/05/1952 | |
| ISRAEL | Declaration | 07/05/1952 | |
| ITALY | Accession | 25/03/1958 | |
| Land Berlin | Extension | 30/01/1956 | |
| PAKISTAN | Accession | 06/12/1955 | |
| PAKISTAN | Declaration | 11/04/1956 |