Bowen v. Georgetown University Hospital
... that the U.S. Supreme Court case of Bowen v. Georgetown University Hospital held that federal agencies cannot promulgate retroactive rules without express authorization by Congress?
... that the <a href="./Supreme_Court_of_the_United_States" id="mwA4I" rel="mw:WikiLink" title="Supreme Court of the United States">U.S. Supreme Court</a> case of <i id="mwA4M"><b id="mwA4Q"><a href="./Bowen_v._Georgetown_University_Hospital" id="mwA4U" rel="mw:WikiLink" title="Bowen v. Georgetown University Hospital">Bowen v. Georgetown University Hospital</a></b></i> held that <a href="./List_of_federal_agencies_in_the_United_States" id="mwA4Y" rel="mw:WikiLink" title="List of federal agencies in the United States">federal agencies</a> cannot promulgate retroactive rules without express authorization by <a href="./United_States_Congress" id="mwA4c" rel="mw:WikiLink" title="United States Congress">Congress</a>?