Which of the following statements depicts a valid role of the internal audit function in...

Internal audit maintains independence by avoiding the design or implementation of management’s corrective actions. However, the internal audit function has a valid role in evaluating and monitoring whether management’s action plans effectively address audit observations. This ensures risks are mitigated while internal audit retains its assurance role.

Option A is too restrictive; while internal audit does not design or implement action plans, it does monitor and evaluate them. Options B and D inappropriately place responsibility for action plan design and monitoring with internal audit, which would compromise independence.