The most recently compiled versions of Auditing Standards, original Standards and amending Standards (see Compilation Details) are available on the AUASB website: www.auasb.gov.au
Contact Details
Auditing and Assurance Standards BoardLevel 20, 500 Collins StreetMelbourne Victoria 3000AUSTRALIA
Phone: (03) 8080 7400E‑mail: enquiries@auasb.gov.auPostal Address:PO Box 204Collins Street WestMelbourne Victoria 8007AUSTRALIA
Requests and enquiries concerning reproduction and rights for commercial purposes within Australia should be addressed to the Technical Director, Auditing and Assurance Standards Board, PO Box 204, Collins Street West, Melbourne, Victoria 8007 or sent to enquiries@auasb.gov.au. Otherwise, no part of this Auditing Standard may be reproduced, stored or transmitted in any form or by any means without the prior written permission of the AUASB except as permitted by law.
This Auditing Standard reproduces substantial parts of the corresponding International Standard on Auditing issued by the International Auditing and Assurance Standards Board (IAASB) and published by the International Federation of Accountants (IFAC), in the manner described in the statement on Conformity with International Standards on Auditing. The AUASB acknowledges that IFAC is the owner of copyright in the International Standard on Auditing incorporated in this Auditing Standard throughout the world.
All existing rights in this material are reserved outside Australia. Reproduction outside Australia in unaltered form (retaining this notice) is permitted for personal and non‑commercial use only.
Further information and requests for authorisation to reproduce this Auditing Standard for commercial purposes outside Australia should be addressed to the Technical Director, Auditing and Assurance Standards Board, PO Box 204, Collins Street West, Melbourne, Victoria 8007 or sent to enquiries@auasb.gov.au. Any decision to approve a request may also require the agreement of IFAC.
ISSN 1833‑4393
CONTENTS
COMPILATION DETAILS
AUTHORITY STATEMENT
CONFORMITY WITH INTERNATIONAL STANDARDS ON AUDITING
Determining the Need for an Auditor’s Expert........................................7
Nature, Timing and Extent of Audit Procedures.......................................8
The Competence, Capabilities and Objectivity of the Auditor’s Expert.......................9
Obtaining an Understanding of the Field of Expertise of the Auditor’s Expert.................10
Agreement with the Auditor’s Expert..............................................11
Evaluating the Adequacy of the Auditor’s Expert’s Work.............................12-13
Reference to the Auditor’s Expert in the Auditor’s Report............................14-15
Application and Other Explanatory Material
Definition of an Auditor’s Expert.............................................A1-A3
Determining the Need for an Auditor’s Expert....................................A4-A9
Nature, Timing and Extent of Audit Procedures.................................A10-A13
The Competence, Capabilities and Objectivity of the Auditor’s Expert.................A14-A20
Obtaining an Understanding of the Field of Expertise of the Auditor’s Expert............A21-A22
Agreement with the Auditor’s Expert.........................................A23-A31
Evaluating the Adequacy of the Auditor’s Expert’s Work..........................A32-A40
Reference to the Auditor’s Expert in the Auditor’s Report..........................A41-A42
Appendix 1: Considerations for Agreement between the Auditor and an Auditor’s External Expert
COMPILATION DETAILS
Auditing Standard ASA 620 Using the Work of an Auditor’s Expert (as Amended)
This compilation takes into account amendments made up to and including 5 November 2021 and was prepared on 31 March 2022 by the Auditing and Assurance Standards Board (AUASB).
This compilation is not a separate Auditing Standard made by the AUASB. Instead, it is a representation of ASA 620 (October 2009) as amended by other Auditing Standards which are listed in the Table below.
Table of Standards
Standard
Date made
Operative Date
ASA 620 [A]
27 October 2009
Financial reporting periods commencing on or after 1 January 2010
ASA 2020-2 [B]
30 June 2020
Financial reporting periods ending on or after 15 July 2020
ASA 2020-1 [C]
3 March 2020
Financial reporting periods commencing on or after 15 December 2021[*]
ASA 2021-5 [D]
5 November 2021
Financial reporting periods commencing on or after 15 December 2021
ASA 2021-1 [E]
10 March 2021
Financial reporting periods commencing on or after 15 December 2022
[A] Federal Register of Legislation – registration number F2009L04099, 17 November 2009
[B] Federal Register of Legislation – registration number F2020L00885, 7 July 2020
[C] Federal Register of Legislation – registration number F2020L00252, 13 March 2020
[D] Federal Register of Legislation – registration number F2021L01525, 8 November 2021
[E] Federal Register of Legislation – registration number F2021L00403, 1 April 2021
Table of Amendments
Paragraph affected
How affected
By … [paragraph]
A18
Amended
ASA 2020‑2 [48]
A19
Amended
ASA 2020‑2 [49]
A4
Amended
ASA 2020‑1 [205]
A4
Amended
ASA 2021‑5 [31]
2Footnote 1
Amended
ASA 2021-1 [95] & [96]
8
Amended
ASA 2021-1 [97]
A6
Amended
ASA 2021-1 [98]
A6Footnote 5
Amended
ASA 2021-1 [99]
A7Footnote 7
Amended
ASA 2021-1 [100]
A10
Amended
ASA 2021-1 [101]
A11 and sub-heading
Amended
ASA 2021-1 [102]
A11Footnotes 9 and 10
Amended
ASA 2021-1 [103]
A12
Amended
ASA 2021-1 [104]
Renumbering of footnotes
Amended
ASA 2021-1 [105]
A13
Amended
ASA 2021-1 [106]
A15
Amended
ASA 2021-1 [107]
A26
Amended
ASA 2021-1 [108]
AUTHORITY STATEMENT
Auditing Standard ASA 620 Using the Work of an Auditor's Expert (as amended to 5 November 2021) is set out in paragraphs Aus 0.1 to A42 and Appendix 1.
This Auditing Standard is to be read in conjunction with ASA 101 Preamble to AUASB Standards, which sets out how AUASB Standards are to be understood, interpreted and applied. This Auditing Standard is to be read also in conjunction with ASA 200 Overall Objectives of the Independent Auditor and the Conduct of an Audit in Accordance with Australian Auditing Standards.
Conformity with International Standards on Auditing
This Auditing Standard conforms with International Standard on Auditing ISA 620 Using the Work of an Auditor's Expert, issued by the International Auditing and Assurance Standards Board (IAASB), an independent standard-setting board of the International Federation of Accountants (IFAC).
Paragraphs that have been added to this Auditing Standard (and do not appear in the text of the equivalent ISA) are identified with the prefix “Aus”.
Compliance with this Auditing Standard enables compliance with ISA 620.