Which of the following is the most important concept to be included in a consulting...

In a consulting engagement agreement, it is crucial to clearly define the duties and responsibilities needed from management. This ensures that both the internal audit team and the management are aligned on their roles and what is expected from each party. Clear delineation of responsibilities helps prevent misunderstandings and sets a solid foundation for the engagement’s success. References:

IIA Standards - 2201: Planning Considerations

IIA Practice Guide - Consulting Services