Amending the Rules of the House of Representatives to require a three-fifths vote to pass any measure the enactment of which would result in a deficit in the unified budget of the United States for any fiscal year.

Amends rule XXI (restrictions on certain bills) of the Rules of the House of Representatives to prohibit a bill or joint resolution, amendment, or conference report the enactment of which would result in a deficit in the U.S. unified budget for any fiscal year from being considered as passed or agreed to unless by a vote of at least three-fifths of the Members voting, a quorum being present. Provides that the levels of outlays and revenues for a fiscal year shall be determined on the basis of estimates made by the Committee on the Budget. Waives this act while a declaration of war is in effect or during a military conflict.