Mode of exercising Federal Legislative power: general
Section 58(4) · 1999 Constitution (2004 edition)
What Constitution says
(4) Where a bill is presented to the President for assent, he shall within thirty days thereof signify that he assents or that he withholds assent.
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