| Contracting Parties/Signatories | Signature | Instrument | In Force | Details |
| Angola | March 10, 2003 | Ratification: September 26, 2003 | October 26, 2003 | |
| Botswana | August 24, 1996 | Ratification: January 7, 1998 | January 25, 2000 | |
| Lesotho | August 24, 1996 | Ratification: August 12, 1999 | January 25, 2000 | |
| Malawi | August 24, 1996 | Ratification: July 23, 1999 | January 25, 2000 | |
| Mauritius | August 24, 1996 | Ratification: October 11, 1996 | January 25, 2000 | |
| Mozambique | August 24, 1996 | Ratification: January 11, 2000 | January 25, 2000 | |
| Namibia | August 24, 1996 | Ratification: December 22, 1998 | January 25, 2000 | |
| South Africa | August 24, 1996 | | January 25, 2000 | |
| Swaziland | August 24, 1996 | Ratification: December 9, 1999 | January 25, 2000 | |
| United Republic of Tanzania | August 24, 1996 | Ratification: July 3, 1997 | January 25, 2000 | |
| Zambia | August 24, 1996 | Ratification: February 3, 2001 | March 5, 2001 | |
| Zimbabwe | August 24, 1996 | Ratification: July 24, 1998 | January 25, 2000 | |