Which of the following documents are internal auditors most likely to be asked to sign...

Professional Responsibility: Internal auditors are expected to demonstrate their commitment to professional standards and ethics.

Code of Ethics: The IIA’s Code of Ethics outlines principles that internal auditors must follow, including integrity, objectivity, confidentiality, and competency.

Annual Declaration: Signing an annual declaration reinforces the auditor's commitment to these principles and ensures ongoing adherence to the professional standards.

Demonstration of Due Care: By signing this declaration, auditors formally acknowledge their responsibility to uphold ethical standards, which is a demonstration of due professional care.