On 18 April 2023, APA Group submitted to the AER an annual tariff variation notice for its Queensland gas transmission network for the period 1 July 2023 to 30 June 2024. APA Group's tariff variation notice will be assessed for compliance with the AER's final decision on Roma to Brisbane's 2022–27 access arrangement.

On 1 May 2023, APA Group submitted a revised tariff variation notice and model in response to AER queries. This resubmission resulted in changes to the proposed reference tariffs.