[1] Customary law is derived from indigenous traditional norms and cultural practices, including the dispute resolution meetings of pre-colonial Yoruba land secret societies and the Èkpè and Okónkò of Igboland and Ibibioland.
All appointments (federal or state) are based on the recommendations of the National Judicial Council.
However, to bring the administration of justice closer to the people, the Court of Appeal has multiple divisions (currently twenty) in various parts of the country.
Only the appointment of the President of the Appeal Court requires Senate confirmation.
The Federal Court of Appeal is where the multiple legal systems (English, Customary and Sharia) of Nigeria converge.
In order to bring the administration of justice closer to the people it has a division in each of the thirty-six states of the country.
1 of 1989 Laws of the Federation of Nigeria, 2004 with commencement date of 1 January 1991, which "provide for the establishment of the Code of Conduct Bureau and Tribunal to deal with complaints of Corruption by public servants for the breaches of its provisions.
[19] The Code of Conduct Tribunal (CCT) shall consist of a chairman and two other members, whose chairman shall be a person who has held or is qualified to hold office as a Judge of a superior court of record in Nigeria and shall receive such remuneration as may be prescribed by law.
The chairman and other members of the Tribunal shall be appointed by the President on the recommendation of the National Judicial Council.
The tenure of office of the CCT chairman and members shall expired when he attains the age of seventy years.
[20] A person holding the office of chairman or member of the Code of Conduct Tribunal shall not be removed from his office or appointment by the President except upon an address supported by two-thirds majority of each House of the National Assembly of Nigeria praying that he be so removed for inability to discharge the functions of the office in question (whether arising from infirmity of mind or body) or for misconduct or for contravention of the Act.
[22] Sharia, meaning "way" or "path" in religious law of Islam,[23] has been in Nigeria for a long time.
Civil sharia law has been enshrined in the various Nigerian constitutions since independence.
With the return of the country to democratic rule in 1999, some of the predominantly Muslim northern states have instituted full sharia law (criminal and civil).
These states are Kano, Katsina, Niger, Bauchi, Borno, Kaduna, Gombe, Sokoto, Jigawa, Yobe, and Kebbi.