United States. Department of Justice. Office of Legal Counsel

The Office of Legal Counsel (OLC) is an office in the United States Department of Justice that assists the Attorney General's position as legal adviser to the President and all executive branch agencies. It drafts legal opinions of the Attorney General and provides its own written opinions and other advice in response to requests from the Counsel to the President, the various agencies of the Executive Branch, and other components of the Department of Justice. The Office reviews and comments on the constitutionality of pending legislation. The office reviews any executive orders and substantive proclamations for legality if the President proposes them. All proposed orders of the Attorney General and regulations that require the Attorney General’s approval are reviewed. It also performs a variety of special assignments referred by the Attorney General or the Deputy Attorney General. (Source: Wikipedia)