| Country | Action | Action Date | Effective Date |
|---|
| AUSTRALIA | Acceptance | 17/07/1969 | |
| CAMBODIA | Acceptance | 27/01/1969 | |
| CEYLON | Acceptance | 28/01/1969 | |
| INDIA | Acceptance | 11/04/1969 | |
| LAOS | Acceptance | 16/08/1968 | |
| LAOS | Acceptance | 20/08/1968 | |
| MALAYSIA | Acceptance | 06/03/1969 | |
| NEPAL | Acceptance | 04/06/1969 | |
| PAKISTAN | Acceptance | 09/06/1969 | |
| PAKISTAN | Declaration | 09/06/1969 | |
| PAPUA NEW GUINEA | Acceptance | 01/06/1976 | |
| PHILIPPINES | Acceptance | 13/11/1969 | |
| PORTUGAL | Acceptance | 27/01/1969 | |
| THAILAND | Acceptance | 05/06/1969 | |
| UNITED KINGDOM | Signature | 31/12/1968 | |
| UNITED KINGDOM | Acceptance | 31/12/1968 | |
| UNITED KINGDOM | Denunciation | 01/08/2008 | 01/08/2009 |