Metal detectors and bag searches are increasingly a part of everyday life. But should employers have to compensate their workers as they wait to go through security?

That’s at the heart of a question the U.S. Court of Appeals for the Sixth Circuit has asked the Pennsylvania Supreme Court to consider in the case In re Amazon.com. The federal appeals court Monday certified two questions of first impression to the Pennsylvania Supreme Court, stemming from a class action lawsuit claiming that practices at Amazon‘s warehouse outside Allentown, Pennsylvania, violate the Keystone State’s minimum wage laws.