The internal auditors' are part of the organization. Their objectives are determined by professional standards, the board, and management. Their primary clients are management and the board. External auditors are not part of the organization, but are engaged by it. Their objectives are set primarily by statute and their primary client the board of directors. The internal auditors' scope of work is comprehensive. It serves the organization by helping it accomplish its objectives, and improving operations, risk management, internal controls, and governance processes. Concerned with all aspects of the organization- both financial and non-financial --.the internal auditors focus on future events as a result of their continuous review and evaluation of controls and processes. The primary mission of the external auditors is to provide an independent opinion on the organization's financial statements, annually. Their approach is historical in nature, as they assess whether the statements conform to generally accepted accounting principles, whether they fairly present the financial position of the organization, whether the results of operations for a given period of time are accurately represented, and whether the financial statements have been materially affected.