by an affirmative vote of five-eighths of the Members, duly chosen and sworn. An affirmative vote of five-eighths of the Members of the Senate, duly chosen and sworn, shall be required to sustain an appeal of the ruling of the Chair on a point of order raised under subsection (a). 4005. Duplication determinations by the Congressional Budget Office (a) Definition In this section, the term covered legislation means a bill or resolution of a public character reported by any committee of the Senate. (b) Duplication determinations by the Congressional Budget Office Any estimate provided by the Congressional Budget Office under section 402 of the Congressional Budget Act of 1974 ( 2 U.S.C. 653 ) for covered legislation shall include an analysis that includes— (1) a determination of whether the covered legislation creates any new Federal program, office, or initiative that would duplicate or overlap with any existing Federal entity with similar mission, purpose, goals, or activities