One measure, to be voted on Friday, would require hand counting of ballots. Critics say that it would create widespread confusion in a state pivotal to the presidential race.

If approved, the hand count rule would make Georgia the only state in the U.S. to implement such a requirement as part of the normal process of tabulating results, according to Gowri Ramachandran, the director of elections and security at New York University's Brennan Center for Justice,

The Georgia State Election Board is set to vote on a controversial measure Friday that would require local precincts to conduct hand counts.