Overpayment letter from the unemployment office - 4 months and counting

I received a letter saying I was overpaid about $1000 on my claim. I worked as a sales associate before this. I did not notice any errors at the time.

If you are unsure, free legal aid in your area may help for this kind of notice.

Collect your pay stubs and certification records for the weeks they name. Mine showed the error was a date mix-up.