Section 115.420 - Butterfly ballot prohibited, exceptions1. An election authority shall not use a butterfly ballot unless the secretary of state provides written approval to the election authority for the use of a butterfly ballot in the particular election.2. For purposes of this section, "butterfly ballot" means a ballot where two ballot pages are used side by side and where voters must vote on candidates or issues on both sides of the pages.Amended by 2014 Mo. Laws, HB 1136,s A, eff. 8/28/2014.