Main Differences

• HOR initiates any revenue bills and any proposals to raise taxes must come from HOR
• HOR has sole power to initiate impeachment proceedings against federal officials
• HOR operates with more hierarchal structure with power centralised in speaker of the house and rules committee
• Senate ratifies treaties negotiated by the president and approves or rejects international agreements
• Senate has sole power of approving presidential appointments
• Senate debate procedures are typically less formal than house