Editorial Notes
Codification
June 29, 1937, ch. 40450 Stat. 421June 16, 1938, ch. 46452 Stat. 736June 30, 1939, ch. 25353 Stat. 965Section, acts , title I, ; , title I, ; , title I, , made an earlier specific appropriation available for maintenance and operation of motor-propelled passenger-carrying vehicles.