How a Bill Becomes a Law in the United States Congress

  
House Senate
Introduction Introduction
Ä Referral to Committee Ä Referral to Committee
  Ä Referral to Subcommittee
            ý Hearings
            ý Markup
  Ä Referral to Subcommittee
            ý Hearings
            ý Markup
  Report to Committee Ã
            ý Hearings
            ý Markup
  Report to Committee Ã
            ý Hearings
            ý Markup
                        ÷                         ÷
Report to Rules Committee
            ý Hearings
            ý Scheduled for floor debate with Rule
                        Ÿ Open, Closed or Restrictive rule
Report to Senate Majority Leader
            ý Scheduled for floor debate
                        Ÿ Unanimous consent agreement
    ò     ò
    Floor Action
            ýVote on Rule
            ýDebate bill
            ýDebate/Vote on Amendments to bill (if allowed)
            ýVote on final passage
    Floor Action
            ýVote on Unanimous Consent Agreement
            ýDebate bill
            ýDebate/Vote on Amendments to bill (if allowed)
            ýVote on final passage
                                                               ø       ÷
 
Conference Committee
    ý Reconcile differences between
                House and Senate versions of bill
  ÷                                                                                   ø    
    Floor Action
            ýVote on final passage
    Floor Action
            ýVote on final passage
                            ø                 ÷
 
President
    ý Signature or Veto

    Ä ý If vetoed, bill returns to Congress for an override Ã
        vote requiring 2/3 majority vote in both chambers.