The State Board of Elections as constituted in The Election Code shall, not later than the time prescribed by law for certifying the candidates for State offices to be voted upon at the same election, certify to the several county clerks any proposal to amend the constitution. The several county clerks shall certify such proposal to any board of election commissioners within their respective counties not later than the time prescribed by law for the certification of candidates.
5 ILCS 20/2a