Kylie: A First Class stamp abilify pill When debates take place in the Senate, usually over pending legislation or presidential nominees, senators may attempt to put the legislation or nominee up for a vote by filing for cloture.  If the Senate votes for cloture by a required 60-vote majority, debate on the given bill or nominee is limited to no more than 30 hours.  Once the 30 hours of debate is over, the Senate must give the bill or nominee a final up or down vote.