Restrictions on formation of political parties
Section 222(f) · 1999 Constitution (2004 edition)
What Constitution says
(f) the headquarters of the association is situated in the Federal Capital Territory, Abuja.
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