Mo. Rev. Stat. § 115.269
Current with changes from the 2023 Legislative Session
For the purpose of giving instructions on their use, any election authority may designate suitable times and places for the exhibition and demonstration of its electronic voting machines. During such instructions, the electronic voting machines may contain sample ballot labels which show the names of offices and fictitious candidates. No electronic voting machine shall be used for instruction after it has been prepared for use at an election, unless it is prepared again prior to the election.
§ 115.269, RSMo
Effective 1-1-78