Primaries in Pennsylvania are closed, similar to Nevada. Independent voters must register as partisans if they want to take part in any party primary. Like several other states mentioned, Pennsylvania does not offer no-excuse absentee voting. Confusingly, the early voting option is referred to as On-Demand mail ballot voting. Voters need to be registered no later than 15 days before an election.
Pennsylvania allows for online, by mail, and in-person voter registration. Additionally, Pennsylvania has automatic voter registration but no election-day registration. Voters must be registered to vote at least 15 days before election day. Pennsylvania does offer no-excuse absentee by-mail voting. For independents, Pennsylvania runs a closed primary system. Independents must register as partisans at least 15 days before the election.