
Until recently, the answer was mostly, “according to state law—and state laws vary.”
While true, that wasn’t much help to journalists, policymakers or the voting public—and that answer focused on differences, not commonalities.
Now, Helping America Vote: Election Administration in the U.S., a new publication from the U.S. Election Assistance Commission (EAC) and the National Conference of State Legislatures (NCSL), gives a more complete answer, acknowledging differences while following the through-line all states follow.