Justices Ruth Bader Ginsburg and Sonia Sotomayor signaled Tuesday that Congress should act to address questions raised in a case examining whether the U.S. government can compel a U.S. company to turn over data stored overseas.

The case, U.S v. Microsoft, deals with whether an email service provider, Microsoft, is required to turn over email data stored on a server located abroad when it is served with a warrant from the U.S. government.