13 June 1994 | Publisher: National Legislative Bodies / National Authorities | Document type: National Decrees, Circulars, Regulation, Policy Documents
1994 | Publisher: National Legislative Bodies / National Authorities | Document type: National Legislation
24 July 1993 | Publisher: Economic Community of West African States (ECOWAS) | Document type: Multilateral Treaties/Agreements
1 March 1992 | Publisher: National Legislative Bodies / National Authorities | Document type: National Legislation
29 May 1990 | Publisher: Economic Community of West African States (ECOWAS) | Document type: Multilateral Treaties/Agreements
30 June 1989 | Publisher: Economic Community of West African States (ECOWAS) | Document type: Multilateral Treaties/Agreements