dates shall supersede those set forth in subsection (a): First Session On or before: Action to be completed: First Monday in April President submits budget recommendations. April 20 Committees submit views and estimates to Budget Committees. May 15 Budget Committees report concurrent resolution on the biennial budget. June 1 Congress completes action on concurrent resolution on the biennial budget. July 1 Biennial appropriation bills may be considered in the House. July 20 House completes action on biennial appropriation bills. August 1 Congress completes action on reconciliation legislation. October 1 Biennium begins. . 3. Amendments to the Congressional Budget and Impoundment Control Act of 1974 (a) Declaration of Purpose Section 2(2) of the Congressional Budget and Impoundment Control Act of 1974 ( 2 U.S.C. 621(2) ) is amended by striking each year and inserting biennially . (b) Definitions (1) Budget resolution Section 3(4) of such Act ( 2 U.S.C. 622(4) ) is amended by striking fiscal year each place it appears and inserting biennium . (2) Biennium Section 3 of such Act ( 2 U.S.C. 622 ) is further amended by adding at the end the following new paragraph: (12) The term biennium means the period of 2 consecutive fiscal years beginning on October 1 of any odd-numbered year. . (c) Biennial Concurrent Resolution on the Budget (1) Section heading The section heading of section 301 of such Act ( 2 U.S.C. 632 ) is amended by striking Annual and inserting Biennial . (2) Contents of resolution Section 301(a) of such Act ( 2 U.S.C. 632(a) ) is amended— (A) in the matter preceding paragraph (1) by— (i) striking April 15 of each year and inserting May 15 of each odd-numbered year