Missouri constitution
Article V: judicial department
Section 25(C)(2)

Whenever a declaration of candidacy for election to succeed himself is
filed by any judge or associate circuit judge under the provisions of this section, the
secretary of state shall not less than thirty days before the election certify the name
of said judge or associate circuit judge and the official title of his office to the clerks
of the county courts, and to the boards of election commissioners in counties or cities
having such boards, or to such other officials as may hereafter be provided by law, of
all counties and cities wherein the question of retention of such judge in office is to
be submitted to the voters, and, until legislation shall be expressly provided otherwise
therefore, the judicial ballots required by this section shall be prepared, printed, published
and distributed, and the election upon the question of retention of such judge
in office shall be conducted and the votes counted, canvassed, returned, certified and
proclaimed by such public officials in such manner as is now provided by the statutory
law governing voting upon measures proposed by the initiative.