Assistant United States Attorneys Retirement Benefit Equity Act of 2003

Assistant United States Attorneys Retirement Benefit Equity Act of 2003 - Makes applicable to Assistant United States Attorneys the provisions of the Civil Service Retirement System and the Federal Employees Retirement System that apply to Federal law enforcement officers. Directs the Department of Justice to provide notice to incumbent Assistant U.S. Attorneys as to their election rights under this Act and the effects of making or not making a timely election under this Act. Allows such incumbents to elect the option to be treated either: (1) in accordance with the amendments made by this Act; or (2) as if this Act had never been enacted.