Independence of certain bodies (federal bodies)
Section 158(2)(b) · 1999 Constitution (2004 edition)
What Constitution says
(b) in deciding whether or not to accept or revise the return of any officer of the said Commission concerning the population census in any area or part 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 77. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections