Election of the President: general
Section 132(2) · 1999 Constitution (2004 edition)
What Constitution says
(2) An election to the said office shall be held on a date not earlier than sixty days and not later than thirty days before the expiration of the term of office of the last holder of that office.
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 67. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections