Power of National Assembly as to determination of certain questions
Section 119(a) · 1999 Constitution (2004 edition)
What Constitution says
(a) persons who may apply to an election tribunal for the determination of any question as to whether - (i) any person has been validly elected as a member of a House of Assembly, (ii) the term of office of any person has ceased, or (iii) the seat in a House of Assembly of a member of that House has become vacant;
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 62–63. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections