Implementation of treaties
Section 12(2) · 1999 Constitution (2004 edition)
What Constitution says
(2) The National Assembly may make laws for the Federation or any part thereof with respect to matters not included in the he Exclusive Legislative List for the purpose of implementing a treaty.
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 25. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections