Services The Department of Immigration and Border Protection replacing most of the functions of the Department of Immigration and Citizenship The Department of Industry replacing most of the functions of the Department of Innovation, Industry, Science and Research and the Department of Resources, Energy and Tourism The Department of Infrastructure and Regional Development replacing the Department of Infrastructure and Transport and most of the functions of the Department of Regional Australia, Local Government, Arts and Sport The Department of the Prime Minister and Cabinet, assuming the indigenous affairs functions previously managed by the Department of Families, Housing, Community Services and Indigenous Affairs The Department of Social Services replacing the majority of the functions of the Department of Families, Housing, Community Services and Indigenous Affairs The Department of the Treasury The Department of Veterans' Affairs September 2015 Following the appointment of Malcolm Turnbull as Prime Minister, three departments were renamed, with effect from 21 September 2015: The Department of Agriculture became the Department of Agriculture and Water Resources The Department of Industry and Science became the Department of Industry, Innovation and Science The Department of Communications became the Department of Communications and the Arts July 2016 Following the election of the Turnbull Government, the Department of the Environment was renamed, with effect from 19 July 2016: The Department of the Environment became the Department of the Environment and Energy December 2017 Some departments were renamed, with effect from 20 December 2017: The Department of Employment became the Department of Jobs and Small Business The Department of Immigration and Border Protection became the Department of Home Affairs The Department of Infrastructure and Regional Development became the Department of Infrastructure, Regional Development and Cities May 2019 Following the election of the Morrison Government, five departments were renamed, with effect from 29 May 2019: The Department of Agriculture and Water Resources became the Department of Agriculture The Department of Education and Training became the Department of Education The Department of Human Services became Services Australia. The Department of Jobs and Small Business became the Department of Employment, Skills, Small and Family Business The Department of Infrastructure, Regional Development and Cities became the Department of Infrastructure, Transport, Cities and Regional Development February 2020 The number of departments were cut from 18 to 14, with effect from 1 February 2020: The Department of Education and Department of Employment, Skills, Small and Family Business (except small business