Convention réaffirmant la création du Comité Permanent Inter-Etats de Lutte contre la Sécheresse dans le Sahel (CILSS) (April 22, 1994) Countries/Territories Entry into force Simple signature Burkina Faso - Apr 22, 1994 Chad - Apr 22, 1994 Gambia - Apr 22, 1994 Guinea-Bissau - Apr 22, 1994 Mali - Apr 22, 1994 Mauritania - Apr 22, 1994 Niger - Apr 22, 1994 Senegal - Apr 22, 1994 Cabo Verde - Apr 22, 1994