NOTE: INVOKING CLOTURE REQUIRES A 3/5 MAJORITY OF THE SENATE. IT IS NOT A VOTE ON THE PASSAGE OF THE PIECE OF LEGISLATION, BUT LIMITS FURTHER DEBATE TO 30 HOURS. CLOTURE IS TYPICALLY USED TO END A FILIBUSTER. A FAILED CLOTURE VOTE OFTEN PREVENTS THE LEGISLATION FROM EVER COMING TO A VOTE.