We might have to wait a few days before we know who is headed to the White House, but the culmination of one of the most chaotic presidential election cycles in recent memory could reverberate back home — particularly if Vice President Kamala Harris wins and decides to tap into the Bay State’s deep Democratic bench to staff up her new administration.

The swing states that took the longest in 2020 and could again be slow this year: Pennsylvania, Arizona and Nevada. If the race is close, other states could join the list.

Here’s what to know about the rules that govern if and how presidential race recounts are conducted in each of the seven swing states.