The worsening of environmental problems has led to them being addressed by many entities, the most important of which are the top regulators. Federal Board of supreme audit Office is one of the most important regulators in Iraq. The problem of the research was the fundamental question of the extent to which the Federal Financial Supervisory Office was committed to implementing and exercising environmental control over the audited ones. The refore, the research was based on the main objective of questioning the role of the Federal Financial Supervisory Office in the exercise of environmental control and the compliance of those under its control, by identifying the antosai standards for environmental control, particularly the standard (5110). To achieve the research objective, a check list has been designed with several axes derived from the standard (5110). It was distributed to environmental professionals at the Federal Financial Supervisory Office to diagnose the strengths and weaknesses of the environmental control business. The research reached several conclusions, most notably the lack of special and new legal provisions for environmental control within the Law of the Financial Control Bureau and environmental control is one of the vital and effective tributaries in the system of attention and preservation of the environment, while the most prominent recommendations were the need to include the law of Federal Board of supreme audit l is explicit legal provisions concerning environmental aspects.