Implementation of treaties
Section 12 · 1999 Constitution (2004 edition)
What Constitution says
(1) No treaty between the Federation and any other country shall have the force of law to the extent to which any such treaty has been enacted into law by the National Assembly. (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. (3) A bill for an Act of the National Assembly passed pursuant to the provisions of subsection (2) of this section shall not be presented to the President for assent, and shall not be enacted unless it is ratified by a majority of all the House of Assembly in 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 25. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections