Appellate jurisdiction (Supreme Court)
Section 233(2) · 1999 Constitution (2004 edition)
What Constitution says
(2) An appeal shall lie form decisions of the Court of Appeal to the Supreme Court as of right in the following cases - (a) where the ground of appeal involves questions of law alone, decisions in any civil or criminal proceedings before the Court of Appeal; (b) decisions in any civil or criminal proceedings on questions as to the interpretation or application of this constitution, (c) decisions in any civil or criminal proceedings on questions as to whether any of the provisions of Chapter IV of this Constitution has been, is being or is likely to be, contravened in relation to any person; (d) decisions in any criminal proceedings in which any person has been sentenced to death by the Court of Appeal or in which the Court of Appeal has affirmed a sentence of death imposed by any other court; (e) decisions on any question - (i) whether any person has been validly elected to the office of President or Vice-President under this Constitution, (ii) whether the term of office of office of President or Vice-President has ceased, (iii) whether the office of President or Vice-President has become vacant; and (c) such other cases as may be 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 102–103. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections