Local election officials mail ballots no later than 45 days before the election.

Voted ballots must be received by the local election official no later than the close of polls on Election Day.

From Iraq, Afghanistan, deployed naval vessels: 4 weeks before the election.
From other overseas military installations: 3 weeks before the election.
From other overseas locations: 4 weeks before the election (depending on foreign mail service).
From within the United States: 1 week before the election.