Unlike other states that have opted to go full vote-by-mail for upcoming presidential primaries, Bullock instead deferred to Montana county election officials to make the call on whether to do the same in their primary. Counties can opt in, but that comes with some strings attached.
- County elections offices have to make (early in-person voting) ballots available to voters from May 4 through the end of the election on June 2.
- Counties that opt into the vote-by-mail system must also have mailed ballots to voters 25 days before the June 2 primary (on or before May 8). This is consistent with the regulations regarding absentee voting in the state. Montana voters retain the ability to request absentee ballots, but counties that have opted into the vote-by-mail system will send ballots to all register county voters. [If a voter in such a county votes both (early) in-person and via the mail ballot, then the mailed-in ballot will be void and the early in-person ballot will be counted.]
- Those counties that opt in have to submit a written plan for how they will implement the changes to the Montana secretary of state.
Predominantly vote-by-mail systems have taken over in states with May contests (see Georgia, Nebraska and West Virginia, for example) and that is gradually expanding into the June primary states as well (see Maryland). But all states that have moved in that direction have also approached the process in different ways with some promoting vote-by-mail to others mailing out ballots directly to voters. But Montana has put a different spin on the process. Voters in counties that adopt the vote-by-mail option will be mailed ballots. So while there have been differences across states in this transition, now, in Montana, there will potentially be differences across counties within the state.
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Governor Bullock's executive order on the vote-by-mail deference to Montana counties is archived here.