 It was amended by Act 3996 to include licensing of airmen and aircraft, inspection of aircraft concerning air traffic rules, schedules and rates and enforcement of Aviation Laws.From 1932 to 1936, there were no standard procedures as to the licensing of airmen, registration of aircraft and recording of various aeronautical activities connected with commercial aviation.There were attempts made to register planes and their owners without ascertaining their airworthiness and to record names of pilots, airplane mechanics and other details.