24The procedure for the making of a transmission determination by the AER, including—

24 The procedure for the making of a transmission determination by the AER, including— (a) the submission by the relevant service provider of a proposal to the AER relating to the revenue or prices to be regulated by the proposed transmission determination; or (b) the publication of notices by the AER; and (c) the making of submissions by the relevant service provider or any other person; and (d) the holding of pre‑determination conferences; and (e) the publication of draft and final determinations and the giving of reasons. In this clause, a reference to the relevant service provider is a reference to the regulated transmission system operator to which the determination will apply or, if it will apply to AEMO (as provider of shared transmission services), to AEMO. Distribution system revenue and pricing 25 The regulation of revenues earned or that may be earned by owners, controllers or operators of distribution systems from the provision by them of services that are the subject of a distribution determination. 26 The regulation of prices (including the tariffs and classes of tariffs) charged or that may be charged by owners, controllers or operators of distribution systems for the provision by them of services that are the subject of a distribution determination. 26A Principles to be applied, and procedures to be followed, by the AER in exercising or performing an AER economic regulatory function or power relating to the making of a distribution determination. 26B The assessment, or treatment, by the AER, of investment in distribution systems for the purposes of making a distribution determination.