1. ISACA
CISA Review Manual
27th Edition. Domain 1: The Process of Auditing Information Systems
Section: "Communicate Audit Results." The manual states that the final audit report should include management's response to the findings. This explicitly covers the documentation of risk acceptance as the formal response.
2. ISACA
ITAF™: A Professional Practices Framework for IS Audit/Assurance
4th Edition. Standard 2401: Reporting. This standard outlines the requirements for audit reporting
specifying that the report should contain the findings
conclusions
and recommendations
as well as "management's response (if any)." This confirms that documenting the response is a required procedural step.
3. Cascarino
R. E. (2012). Auditor's Guide to Information Systems Auditing. John Wiley & Sons. Chapter 18: "Reporting and Communication Skills." This text details the audit reporting process
emphasizing that the auditor's report must present management's comments and action plans
including decisions to accept risk
to provide a balanced view for the report's recipients (e.g.
the audit committee).