It was appointed on 15 December 2014 following the resignation of Katy Gallagher as Chief Minister and the subsequent election of Andrew Barr as her replacement by the Australian Capital Territory Legislative Assembly.

Following Barr's election as Chief Minister, a new ministry was appointed on 15 December 2014 and lasted for one month until 20 January 2015.

[3] In December 2015, Joy Burch was forced to resign as Minister for Police and Emergency Services, in the wake of allegations that her chief of staff briefed the Construction, Forestry, Maritime, Mining and Energy Union (CFMEU) on matters regarding ACT Policing which are still under investigation.

[5] A new arrangement was formed, took effect on 22 January 2016 and lasted until the 2016 election in October, with the exception of two ministerial roles.

[7] On 1 July 2016, with the establishment of Transport Canberra and City Services Directorate (TCCS) as a new directorate, the ministerial positions for Transport and Municipal Services (held by Meegan Fitzharris) and Capital Metro (held by Simon Corbell) were abolished and replaced by Minister for Transport Canberra and City Services (held by Meegan Fitzharris).