Appeals with leave
Section 242(1) · 1999 Constitution (2004 edition)
What Constitution says
(1) Subject to the provisions of section 241 of this Constitution, an appeal shall lie from decisions of the Federal High Court or a High Court to the Court of Appeal with leave of the Federal High Court or that Court or the Court Appeal
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 105. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections