Restrictions on formation of political parties
Section 222(d) · 1999 Constitution (2004 edition)
What Constitution says
(d) any alteration in its registered constitution is also registered in the principal office of the Independent National Electoral Commission within thirty days of the making of such alteration
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 98. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections