As always, it's best to double check with your state for any recent changes to election rules: Louisiana Election Website
Louisiana runoff election
Louisiana runoff information - December 5, 2020
Early voting starts November 20, 2020 and ends November 28, 2020.
Voting by mail / absentee ballot
The deadline to request an absentee ballot is December 1, 2020
Voted absentee ballots are due
Ballots must be received by the time the polls close on December 5, 2020.