Tenure of seat of members (House of Assembly)
Section 109(1)(a) · 1999 Constitution (2004 edition)
What Constitution says
(a) he becomes a member of another legislative house;
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 60–61. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections