OMB's predominant mission is to assist the President in overseeing the preparation of the federal budget and to supervise its administration in Executive Branch agencies. In helping to formulate the President's spending plans, OMB evaluates the effectiveness of agency programs, policies, and procedures, assesses competing funding demands among agencies, and sets funding priorities. OMB ensures that agency reports, rules, testimony, and proposed legislation are consistent with the President's Budget and with Administration policies.

The Office of Management and Budget evaluates, formulates, and coordinates management procedures and program objectives within and among Federal departments and agencies. It also controls the administration of the Federal budget, while routinely providing the President with recommendations regarding budget proposals and relevant legislative enactments. The Office of Management and Budget (OMB), formerly the Bureau of the Budget, was established in the Executive Office of the President pursuant to Reorganization Plan No. 1 of 1939 (5 U.S.C. app.). The Office’s primary functions are: —to assist the President in developing and maintaining effective government by reviewing the organizational structure and management procedures of the executive branch to ensure that the intended results are achieved;