Held: The Administrative Procedure Act requires courts to exercise their
independent judgment in deciding whether an agency has acted within
its statutory authority, and courts may not defer to an agency interpretation of the law simply because a statute is ambiguous; Chevron is
overruled. Pp. 7–35.
Held: The Administrative Procedure Act requires courts to exercise their independent judgment in deciding whether an agency has acted within its statutory authority, and courts may not defer to an agency interpretation of the law simply because a statute is ambiguous; Chevron is overruled. Pp. 7–35.