International Standard on Auditing (New Zealand) 620

Using the Work of an Auditor’s Expert


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Deals with the auditor’s responsibilities relating to the work of an individual or organisation in a field of expertise other than accounting or auditing, when that work is used to assist the auditor in obtaining sufficient appropriate audit evidence.


Applicable for audits of financial statements for periods as indicated. Versions prior to the previous version can be found on the archive page.

  • ISA (NZ) 620 – Periods beginning on or after
    15 Dec 2022 (early adoption permitted)

    Date of issue: Jul 2011

    Date compiled: May 2022

New version not yet mandatory

  • ISA (NZ) 620 Compiled 2026 – Periods beginning on or after
    15 Dec 2026

    Date of issue: Feb 2026

    Date compiled: Oct 2026


    Additional materials

    Principal standard
    Amending standard
  • ISA (NZ) 620 – Periods beginning on or after
    15 Dec 2026

    Date of issue: Feb 2026


    Additional materials

    ISA (NZ) 620 (2026) marked up version
    Explanation for decision made Reissued ISAs (NZ)

Previous version

  • ISA (NZ) 620 – Periods beginning on or after 15 Dec 2021 (early adoption permitted)

    Date of issue: Jul 2011

    Date compiled: Jun 2021