The Help America Vote Act was passed in 2002 in order to prevent voter registration and voting counting problems which happened with the presidential elections in 2000. One of the measures was to create centralized databases, which allow voters to check their registrations. In rolling up and centralizing local databases to state databases many data quality mishaps have occured. Resulting in thousands of voters who are now not eligible to vote. These people have to reestablish their eligibility to vote in the coming weeks.

Click here for the full article in the Washington Post.