Appellate jurisdiction (Court of Appeal)
Section 240 · 1999 Constitution (2004 edition)
What Constitution says
Subject to the provisions of this Constitution, the Court of Appeal shall have jurisdiction to the exclusion of any other court of law in Nigeria, to hear and determine appeals from the Federal High Court, the High Court of the Federation Capital Territory, Abuja, High Court of a state, Sharia Court of Appeal of the Federal Capital Territory, Abuja, Sharia Court of Appeal of a state, Customary Court of Appeal of a state and from decisions of a court martial or other tribunals 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 104. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections