28 May 1975 | Publisher: Economic Community of West African States (ECOWAS) | Document type: Multilateral Treaties/Agreements
7 September 1971 | Publisher: National Legislative Bodies / National Authorities | Document type: National Legislation
29 September 1965 | Publisher: National Legislative Bodies / National Authorities | Document type: National Legislation
12 January 1960 | Publisher: National Legislative Bodies / National Authorities | Document type: National Legislation
1885 | Publisher: National Legislative Bodies / National Authorities | Document type: National Legislation