On behalf of the executive; monitoring different operations regarding the control procedure and information system (AUS 402 19-d). The asymmetry of information between division and senior manager’s result in weakling the ability of the senior managers to firmly control operations (San.M and Govindarajan, 1984). The reason for this problem is the presence of internal agency costs (Ettredge et al., 2000),which occurs between the upper management and the lower level staff because of the incentive’s differences. An internal audit includes a strong internal controls system for reviewing and monitoring mechanism. The senior management can delegate their responsibilities in accordance with the internal control to the internal audit function (San.M and Govindarajan, 1984).