Chevron, U.S.A., Inc. v. Natural Resources Defense Council, Inc.,' is widely regarded as a "landmark" administrative law decision. One commentator claimed that it produced "a revolution in administrative law" and is "one of the most important administrative law decisions in recent memory." A second commentator declared that it dominates "the law governing judicial acceptance of agencies' interpretations," while a third described it as "the leading case on the subject ... of deference to agencies on statutory issues."