Final decisionBack to top On 7 June 2018, the AER published the approved 2018-19 tariff variation for Roma to Brisbane Pipeline. Documents (2) Author AER Statement of Reasons for approval of Roma Brisbane 2018-19 annual tariff variation proposal - 30 April 2018 ( PDF 282.16 KB ) AER AER Approved - Roma to Brisbane Pipeline - 2018-19 Annual tariff variation proposal - 30 April 2018 ( PDF 135.24 KB ) APA Group