Legitimate agencies often use the mail to contact us if there is a concern. That is why scammers are going this route, too. It is believable. A letter recently sent to a 90-year-old person that said it is the "Final demand for payment...for nonpayment of taxes." It says it is from the "Tax Processing Unit" for Hamilton County. The family figured out the notice was a scam for a few reasons. First, the urgency to pay up. Another sign? No government website to pay online. To be sure, the person's family looked up the agency's phone numbers independently and called to verify the letter was a scam. MORE: https://www.wthr.com/article/money/whats-the-deal/nonpayment-of-taxes-scam-letter-hits-mailboxes/531-8d8cd913-c3e9-4365-bbfe-c8e21ab0863b