Establishment of Court of Appeal
Section 237(2) · 1999 Constitution (2004 edition)
What Constitution says
(2) The Court of Appeal shall consist of - (a) a President of the Court of Appeal; and (b) such number of Justices of the Court of Appeal, not less than forty-nine of which not less than three shall be learned I Islamic personal law, and not less than three shall be learned in Customary law, as may be prescribed by an Act of the National Assembly.
This is the 1999 Constitution as published in 2004. Later amendments aren't included yet, so a section may have changed since.
Original source
Official Gazette · CFRN 1999 official PDF · printed page 103. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections