Procedure for proclamation of state of emergency
Section 305(3)(d) · 1999 Constitution (2004 edition)
What Constitution says
(d) there is a clear and present danger of an actual breakdown of public order and public safety in the Federation or any part thereof requiring extraordinary measures to avert such danger;
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