Report and recommendations of presiding officer at public hearings on proposed revisions of regulations, pt. 541, defining terms executive, administrative, professional, local retailing, outside salesman, as contained in sec. 13(a)(1) of Fair labor standards act: 1, Stein report, Oct. 10, 1940 (Harold Stein, presiding officer); 2, Weiss report, June 30, 1949 (Harry Wiess, presiding officer); 3, Kantor report, Mar. 3, 1958 (Harry S. Kantor, presiding officer).