The Supreme Court has determined that Chevron deference - a doctrine that accords deference to certain agency interpretations of statutes - is incompatible with the Administrative Procedure Act. “Chevron defies the command of the APA that ‘the reviewing court’—not the agency whose action it reviews—is to ‘decide all relevant questions of law and interpret statutory provisions.”
The full text of Lopez Bright v. Raimondo can be found here: