Minister of Federal Capital Territory, Abuja
Section 302 · 1999 Constitution (2004 edition)
What Constitution says
The President may, in exercise of the powers conferred upon him by section 147 of this Constitution, appoint for the Federal Capital Territory, Abuja a Minister who shall exercise such powers and perform such functions as may be delegated to him by the President, from time to time.
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 124. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections