The Chief Secretary’s Department of Western Australia was the new title given on 16 April 1924 to the Colonial Secretary’s Office. It was responsible for a number of varied functions including Harbour and Lights, Gaols, Registrar General of Births, Deaths and Marriages, Astronomical Services and Racing. By 1980, the Department’s responsibilities were limited to Prisons, Astronomical Services, Registrar General of Births, Deaths and Marriages and the Correspondence Despatch Office. The Department was abolished in 1983.