In which of the following scenarios would the chief audit executive (CAE) be required to...

The chief audit executive (CAE) would be required to decline a consulting engagement if there is no available expertise on the internal audit team to perform it. According to IIA standards, internal auditors must possess the knowledge, skills, and other competencies needed to perform their responsibilities. Accepting an assignment without the requisite expertise could impair the effectiveness and credibility of the audit function.

IIA Standards for the Professional Practice of Internal Auditing