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ISSN 1030-603X

CONTENTS

PREFACE

AUTHORITY STATEMENT

CONFORMITY WITH INTERNATIONAL STANDARDS ON AUDITING

Paragraphs

Application.................................................................1

Operative Date..............................................................2

Introduction................................................................3

Objective..................................................................4

Definition..................................................................5

Amendments to ASSA 5010...................................................6-8

preface

Reasons for Issuing ASSA 2025-10

The AUASB issues ASSA 2025-10 Amendments to ASSA 5010 Timeline for Audits and Reviews of Information in Sustainability Reports under the Corporations Act 2001 pursuant to the requirements of the legislative provisions and the Strategic Direction explained below.

The AUASB was established under section 227A of the Australian Securities and Investments Commission Act 2001. Under section 336 of the Corporations Act 2001, the AUASB may make Auditing Standards for the purposes of the corporations legislation. These Auditing Standards are legislative instruments under the Legislation Act 2003.

Under the Strategic Direction given to the AUASB by the Financial Reporting Council, the AUASB is required, inter alia, to develop auditing standards that have a clear public interest focus and are of the highest quality.

Main Features

This Standard amends ASSA 5010 Timeline for Audits and Reviews of Information in Sustainability Reports under the Corporations Act 2001 to specify how the phasing in of assurance applies to voluntary sustainability reports in accordance with the amendments made to the Corporations Act 2001 by the Treasury Laws Amendments (Strengthening Financial Systems and Other Measures) Act 2025 and to make other minor amendments to ASSA 5010.

AUTHORITY STATEMENT

The Auditing and Assurance Standards Board (AUASB) makes this Standard on Sustainability Assurance ASSA 2025-10 Amendments to ASSA 5010 Timeline for Audits and Reviews of Information in Sustainability Reports under the Corporations Act 2001 pursuant to section 227B(1)(a) of the Australian Securities and Investments Commission Act 2001 and subsection 1707E(2) of the Corporations Act 2001 (the Act) for the purposes of s336 of the Act. ASSA 5010 was issued by the AUASB as required by s1707E(2) of the Act.

Dated: 17 December 2025 D Niven
Chair – AUASB

Conformity with International Standards on Auditing

This ASSA amends ASSA 5010 Timeline for Audits and Reviews of Information in Sustainability Reports under the Corporations Act 2001 which specifies the extent and timing of audits and reviews of information in sustainability reports as required by Australian legislation. There are no equivalent standards issued by the International Auditing and Assurance Standards Board (IAASB).