Google is rolling out a new program for AdSense accounts to help them more clearly understand when a policy violation has occurred. The Inside AdSense blog tells us
Going forward, if our system detects a policy violation, you’ll receive both an email and an account notification with a link to view more details. Under the Policy violations section on the home tab, you can quickly access important information including details on each violation, the issue ID and an example of the violation on your site. The page will also include details on the action you need to take to resolve the violation.
So if you see this
You’ll need to click through to get this