Indicative timetable
| Indicative dates | Key milestone |
|---|---|
| 22 July 2026 | Publish draft amendments to the Contribution Determination Guideline on AER website, with an accompanying explanatory statement |
| 22 July 2026 – 19 August 2026 | Consultation period |
| 19 August 2026 | Submissions close |
| 16 September 2026 | Publish final amendments to the Guideline on AER website, with an accompanying explanatory statement |
The above table sets out the key milestones planned for this review. Dates are indicative and subject to change.