Judicial deference to agency interpretations of their own statutes is a foundational principle of the administrative state. It recognizes that Congress has the need and desire to delegate the details of regulatory policy to agencies rather than specify those details or default to judicial...

The age of statutes has given way to an era of regulations, but our jurisprudence has fallen behind. Despite the centrality of regulations to law, courts have no intelligible approach to regulatory interpretation. The neglect of regulatory interpretation is not only a shortcoming in interpretive...

The Supreme Court regularly upholds federal legislation on grounds other than those stated by Congress. Likewise, an appellate court may affirm a lower court judgment even if the lower court's opinion expressed the wrong reasons for it. Not so in the case of judicial review of administrative...