| Contracting Parties/Signatories | Signature | Instrument | In Force | Details |
|---|---|---|---|---|
| Algeria | February 17, 1989 | July 1, 1989 | ||
| Libya | February 17, 1989 | July 1, 1989 | ||
| Mauritania | February 17, 1989 | July 1, 1989 | ||
| Morocco | February 17, 1989 | July 1, 1989 | ||
| Tunisia | February 17, 1989 | July 1, 1989 |