5 April 2000 | Publisher: National Legislative Bodies | Document type: National Legislation
13 June 1996 | Publisher: United States Board of Immigration Appeals | Document type: Case Law
22 December 1994 | Publisher: National Legislative Bodies | Document type: National Legislation
14 September 1993 | Publisher: Germany: Verwaltungsgericht | Document type: Case Law
24 July 1993 | Publisher: Economic Community of West African States (ECOWAS) | Document type: Multilateral Treaties/Agreements
14 October 1992 | Publisher: National Legislative Bodies | 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