Mode of exercising Federal Legislative power: general
Section 58(2) · 1999 Constitution (2004 edition)
What Constitution says
(2) A bill may originate in either the Senate or the House of Representatives and shall not become law unless it has been passed and, except as otherwise provided by this section and section 59 of this Constitution, assented to in accordance with the provisions of this section.
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 45–46. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections