Convention revisée portant creation de l'autorité du Bassin du Niger Document type Multilateral Field of application Regional/restricted Date Oct 29, 1987 Source IUCN (ID: TRE-002015) Place of adoption N'Djamena Depository Nigeria Language French, English Subject Water Keyword Agricultural development Navigation International agreement-text Freshwater resources management Basin/catchment/watershed Geographical area Central Africa, Africa, Sahel, North Atlantic, Western Africa Basin Niger Full text French Country/Territory/Participant See Expanded View Show Map Countries Entry into force Ratification * Simple signature Benin - - Oct 29, 1987 Burkina Faso - - - Cameroon - - Oct 29, 1987 Chad - - Oct 29, 1987 Côte d'Ivoire - - - Guinea - Mar 10, 1989 [1] Oct 29, 1987 Mali - - Oct 29, 1987 Niger - - Oct 29, 1987 Nigeria - - Oct 29, 1987 * [1] Ratification [2] Accession/approbation [3] Acceptance/approval [4] Succession [5] Consent to be bound [6] Definite signature reset zoom out zoom in References - Treaties Cited by La Charte de l'Eau du Bassin du Niger Treaty | Multilateral | Niamey | Apr 30, 2008 Source: IUCN (ID: TRE-146761)