| Party | Signature | Provisional application |
RatificationS=Signature without reservation or requirement of ratification R=Ratification, Acceptance, Approval or Notification A=Accession Su=Succession NK=Not Known | Entry into force | Renunciation | Termination |
|---|---|---|---|---|---|---|
| Brunei | 15-12-1987 | 23-05-1988 (R) | 02-07-1988 | |||
| Indonesia | 15-12-1987 | 02-07-1988 (R) | 02-07-1988 | |||
| Malaysia | 15-12-1987 | 27-01-1988 (R) | 02-07-1988 | |||
| Philippines | 15-12-1987 | 11-07-1988 (R) | 02-07-1988 | |||
| Singapore | 15-12-1987 | 30-03-1988 (R) | 02-07-1988 | |||
| Thailand | 15-12-1987 | 01-07-1988 (R) | 02-07-1988 | |||
| Vietnam | 30-05-1995 (A) | 14-07-1995 |