On or before Action to be completed
April 2009 The Office of Management and Budget (OMB) requests spending estimates from the various agencies and departments. Officials of OMB, the Treasury, and the Council of Economic Advisers (CEA) prepare tentative budget guidelines, draw up assumptions about the state of the economy, and estimate income projections and tax revenues for the coming fiscal year.
May-June 2009 The director of OMB discusses the proposed figures with the President and his advisers. The President then establishes budget guidelines in conformity with his general plans for governmental activities and fiscal policy.
September 2009 OMB requests formal detailed estimates from all agencies and departments in conformity with the guidelines.
September-November 2009 OMB's examiners study and discuss the formal detailed estimates with personnel from the agencies involved. OMB holds hearings, weighs the evidence, and adjusts the figures where necessary to bring the overall level and pattern of expenditures into line with presidential requests.
November 2009 The agencies are notified of the amounts to be recommended for them, and they prepare statements to justify these amounts. The final figures are submitted for review to the President.
First Monday in February 2010 President submits his budget in a message to a joint session of Congress. Congressional committees have six weeks to submit views and estimates to Budget Committees.
February 15, 2010 Congressional Budget Office submits report to budget committees.
April 1, 2010 Senate budget committee reports concurrent resultion* on the budget.
April 15, 2010 Congress completes action on concurrent resolutions on the budget.
May 15, 2010 Annual apprpriations bill may be considered in the House.
June 10, 2010 House Appropriations Committee reports last annual appropriations bill.
June 15, 2010 Congress completes action on reconciliation legislation.
June 30, 2010 House completes action on annual appropriations bills.
October 1, 2010 Fiscal year 2011 begins.
* A concurrent resolution sets levels for new budget authority and outlays, direct loan obligations, primary loan guarantee commitments, the amount by which federal revenues should be increased ot decreased, the budget surplus or deficit, the public debt, and so on.

Source: Committee on Ways and Means, U.S. House of Representatives, Outlays of Entitlement Programs, (annual).