Those rules were in the spotlight in 2020, after Joe Biden won a handful of key battleground states by a razor-thin margin.
Ahead of Election Day, here's a refresher of the recount rules in the states expected to be the closest in the presidential race.
A bipartisan group of lawmakers approved new measures in 2024 that would shorten the time needed for a potential recount.
Then, after the state certified Biden's victory, the Trump campaign requested a machine recount, as was its right under state law.
The state recently enacted changes to Michigan's recount law, but none will go into effect before Election Day.
Persons:
Joe Biden, Donald Trump, here's, Trump
Organizations:
Arizona, Electoral College, North
Locations:
Arizona, Georgia, . Michigan Michigan, North Carolina, Pennsylvania, Wisconsin