MO SB721

Establishes advance in-person voting beginning the third Wednesday prior to an election, with all election authorities required to maintain a central voting location open until the Wednesday before election day

Requires jurisdictions to provide satellite voting sites based on registered voter population: one satellite per 50,000 voters, with a maximum of six satellites per jurisdiction

Advance voting hours must follow regular business hours (7:00 a.m. to 7:00 p.m.) and include Saturday voting until 12:00 p.m., using the same procedures as standard absentee and ballot counting processes

Prohibits voters who cast advance ballots from voting again on election day; violators commit a class one election offense and must be reported to the verification board

Implements advance ballot secrecy requirements, keeping lists of advance voters confidential until 8:00 a.m. on the Friday before an election, with state general revenue funding all associated costs