It's a law that has been described as "almost unintelligible," "arcane" and "extremely complex."
It's also the law that determines who will be president.
The Electoral Count Act of 1887 has been derided by legal experts almost since it was first written, and this week, members of both parties in Congress opened the door to updating the legislation. As the first bit of voting-specific policy to even get a sniff of bipartisanship in recent years, it's a notable development.
But it's still far from a sure thing.