Make sure and know the rules before hitting the voting booth. It’s a good thing this voter did.

A New London man is pretty upset with the Ralls County Clerk per a Facebook post.

Electing to vote a day early, the voter was initially denied a ballot due to supposedly missing the September 12 registration deadline.

The problem? The Ralls County voter registration deadline is actually October 12. He had registered 29 days prior to the cutoff rather than one day after.

“Pay attention at the polls, people,” he advises.

More From 100.9 The Eagle, The Tri-States' Classic Rock Station