AU-C 610 Using the Work of Internal Auditors


Original Pronouncement Statements on Auditing Standards (SAS) 128.
Effective Date This statement is effective for audits of financial statements for periods ending on or after December 15, 2014.


In February 2014, the Auditing Standards Board (ASB) issued SAS No. 128, Using the Work of Internal Auditors. This standard completes the AICPA's Clarity Project and supersedes SAS No. 65. It also amends AU-C 315 and various other sections. Those changes are reflected in this volume. The standard amends SQCS No. 8 to redefine the audit team to exclude members of the internal audit function.

The standard does not apply if the internal audit function is not relevant to the audit or if the external auditor does not intend to use the work of the internal audit function. It's worth noting that the external auditor is not required to use internal audit. However, using the internal audit function can result in cost savings and a more effective audit.

SAS No. 128 addresses the external auditor's responsibilities if using the work of internal auditors. The external auditor may use internal audit to:

  1. Obtain audit evidence
  2. Provide direct assistance under the direction, supervision, and review of the external auditor

The standard's requirements are, for the most part, organized around those two uses.

Making the Decision to Use Internal Audit

The new SAS introduces the concept of a “systematic ...

Get Wiley Practitioner's Guide to GAAS 2015: Covering all SASs, SSAEs, SSARSs, PCAOB Auditing Standards, and Interpretations now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.