Proposed illustrative Corporations Act sustainability auditor’s reports

Monday, November 3, 2025

The AUASB has released ED 03/25 Proposed Australian Standard on Sustainability Assurance ASSA 2025-11 Amendments to ASSA 5000 General Requirements for Sustainability Assurance Engagements. The exposure draft proposes adding four illustrative Corporations Act assurance reports to ASSA 5000:

• Year 1 – Review report of specified sustainability disclosures prepared in accordance with the Corporations Act 2001 (compliance framework).
• Year 1 – Audit and review report on specified sustainability disclosures prepared in accordance with the Corporations Act 2001 (compliance framework).
• Years 2 and 3 – Review report on a sustainability report prepared in accordance with the Corporations Act 2001 (fair presentation framework).
• Year 4 – Audit report on a sustainability report prepared in accordance with the Corporations Act 2001 (fair presentation framework).

The matters on which feedback is sought include:

1. The form of the conclusion/opinion by the auditor;
2. An example inherent limitations paragraph; and
3. Distinguishing the auditor’s reports on the financial and sustainability reports.

Comments are due by 2 December 2025.

Written comment letters can be submitted via the AUASB website.