Appointment of Chief Judge and Judges of the High Court of the Federal Capital Territory, Abuja
Section 256(4) · 1999 Constitution (2004 edition)
What Constitution says
(4) If the office of the Chief Judge of the High Court of the Federal Capital Territory, Abuja is vacant or if the person holding the office is for any reason unable to perform the functions of the office, then until a person has been appointed to and has assumed the functions of that office until the person holding the office has resumed those functions, the President shall appoint the most senior Judge of the High Court of the Federal Capital Territory, Abuja, to perform those functions.
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 110. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections