Special provisions in respect of first election
Section 312 · 1999 Constitution (2004 edition)
What Constitution says
(1) The electoral commission established for the Federation under any law in force immediately before the date when this section comes into force shall be responsible for performing the functions conferred on the Independent Na tional Electoral Commission established by the provisions of this Constitution. (2) Any person who before the coming into force of this Constitution was elected to any elective office mentioned in this Constitution in accordance with the provisions of any law in force immediately before the coming into force of this Constitution shall be deemed to have been duly elected to that office under this Constitution.
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 127. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections