| Contracting Parties/Signatories | Signature | Instrument | In Force | Details |
|---|---|---|---|---|
| Botswana | October 21, 2002 | July 15, 2004 | ||
| Eswatini | October 21, 2002 | July 15, 2004 | ||
| Lesotho | October 21, 2002 | July 15, 2004 | ||
| Namibia | October 21, 2002 | July 15, 2004 | ||
| South Africa | October 21, 2002 | July 15, 2004 |