| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ARGENTINE REPUBLIC | Signature | 15/10/1946 | |
| BELGIUM | Signature | 15/10/1946 | |
| BRAZIL | Signature | 15/10/1946 | |
| CHILE | Signature | 15/10/1946 | |
| DOMINICAN REPUBLIC | Signature | 15/10/1946 | |
| ECUADOR | Signature | 15/10/1946 | |
| FRANCE | Signature | 15/10/1946 | |
| GREECE | Signature | 15/10/1946 | |
| LUXEMBOURG | Signature | 15/10/1946 | |
| NETHERLANDS THE | Signature | 15/10/1946 | |
| SWEDEN | Signature | 15/10/1946 | |
| SWITZERLAND | Signature | 15/10/1946 | |
| UNITED KINGDOM | Signature | 15/10/1946 | |
| VENEZUELA | Signature | 15/10/1946 |