Procedure for proclamation of state of emergency
Section 305(6)(a) · 1999 Constitution (2004 edition)
What Constitution says
(a) if it is revoked by the President by instrument published in the Official Gazette of the Government 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 124–125. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections