Removal of President from office
Section 143(4) · 1999 Constitution (2004 edition)
What Constitution says
(4) A motion of the National Assembly that the allegation be investigated shall not be declared as having been passed, unless it is supported by the votes of not less than two- thirds majority of all the members of each House of the National Assembly.
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 71–72. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections