Appeals as of right from the Federal High Court or a High Court
Section 241(2) · 1999 Constitution (2004 edition)
What Constitution says
(2) Nothing in this section shall confer any of appeal - (a) from a decision of the Federal High Court or any High Court granting unconditional leave to defend an action; (b) from an order absolute for the dissolution or nullity of marriage in favour of any party who, having had time and opportunity to appeal from the decree nisi on which the order was founded, has not appealed from that decree nisi; and (c) without the leave of the Federal High Court or a High Court or of Appeal, from a decision of the Federal High Court High Court made with the consent of the parties or as to costs only
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 104–105. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections