Command and operational use
Section 218(3) · 1999 Constitution (2004 edition)
What Constitution says
(3) The President may, by directions in writing and subject to such conditions as he think fit, delegate to any member of the armed forces of the Federation his powers relating to the operational use of the Armed Forces of the Federation.
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 97. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections