Which of the following written documents typically offers the best evidence that internal auditors exercise due professional care in conformance with the Standards?

Question

Options

• AInternal audit charter.
• BWorkpaper.
• CAudit report.
• DCode of ethics.

• A
  3% (2)
• B
  70% (43)
• C
  8% (5)
• D
  18% (11)

Explanation

Workpapers are the primary written evidence that internal auditors exercised due professional care because they document the actual work performed - the nature, timing, and extent of audit procedures, the evidence gathered, the conclusions reached, and the supervisory review. The IIA Standards specifically require that workpapers support audit findings and conclusions, making them the direct, contemporaneous record of professional care in action.

Why the distractors fail:

• A (Charter): The charter defines the purpose, authority, and responsibility of the audit function - it establishes that auditing will happen, not how carefully it was done on a specific engagement.
• C (Audit report): The report communicates results to stakeholders but contains only conclusions and recommendations, not the underlying evidence of careful work.
• D (Code of ethics): The code of ethics sets behavioral principles and standards of conduct, but it is a policy document - it doesn't demonstrate actual compliance with due professional care on any given audit.

Memory tip: Think of workpapers as the "show your work" requirement from math class - they prove how you arrived at the answer, not just that you have an answer. Due professional care must be demonstrated, and workpapers are where that demonstration lives.

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