MO HB2521

Extends the time election challengers may remain at polling places from "during the hours of voting" to "until all ballots are cast on the day of election"

Allows election watchers to remain present until all closing certification forms are completed, equipment is closed and taken down, ballot transportation cases are sealed, and election materials are returned to the election authority

Permits watchers to remain present at absentee ballot counting locations while ballots are being prepared and counted

Requires party chairs to submit challenger designation forms to local election authorities no later than four business days before the election for eligibility verification

Allows replacement challengers to be designated up until 5:00 p.m. on the Monday before the election if an original challenger is found ineligible