The main objective of the audit process is to enable the auditor to express his neutral technical opinion as to whether the financial statements have been prepared in accordance with the financial reporting framework and fairly express the financial position, the result of the activity and the cash flows. A wrong opinion works to burden the beneficiary parties with great damages, and then the presence of any error or bias from the auditor when applying the rules of professional ethics (such as violating professional confidentiality and conflict of interest and moving away from impartiality and objectivity) negatively affects the performance of his work, and the research problem centers around the "lack of a report On evaluating the commitment of the Federal Bureau of Financial Supervision's employees to the ethics of the auditing profession according to the INTOSAI standard (ISSAI4000) (compliance auditing). To identify the quality of auditing and the methods of measuring it. The research concluded a number of conclusions, the most important of which is that compliance with the rules of professional ethics contributes to providing Audit work in a timely manner as well as making the information presented in the auditor’s report comprehensive, effective and efficient, in addition to the auditor’s ability to be free from non-professional influences in the performance of his work and his ability to maintain his political neutrality while carrying out his work. The research also reached a set of recommendations, the most important of which is the necessity of developing and strengthening the rules of professional ethics, defining policies, and training sergeants to enhance their capabilities to face the problems they face. In addition to the need for the oversight authorities to ascertain the extent of the censor's commitment to his independence in his thinking and impartiality, and to verify the extent to which the censor works with integrity and objectivity, away from side effects.