Judicial powers
Section 6(6)(b) · 1999 Constitution (2004 edition)
What Constitution says
(b) shall extend, to all matters between persons, or between government or authority and to any persons in Nigeria, and to all actions and proceedings relating thereto, for the determination of any question as to the civil rights and obligations of that person;
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 20–21. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections