 The "Customs Act 1901" received Royal Assent on 4 October 1901 as the sixth Act of Federation, giving Customs legal powers to enforce tariffs, duties and excise.The 1950s saw large changes to Customs, primarily in the creation of preventative officers; uniformed personnel charged with examining baggage of incoming passengers, searching vessels and deterring the importation of contraband into Australia.In 1957, Customs employed its first woman, Athena Antonopoulou, as an interpreter.