Dissolution and issue of proclamations by President
Section 64(1) · 1999 Constitution (2004 edition)
What Constitution says
(1) The Senate and the House of Representatives shall each stand dissolved at the expiration of a period of four years commencing from the date of the first sitting of the 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 47. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections