The Secretary of the United States Treasury, Henry Paulson and President George W. Bush proposed legislation for the government to purchase up to US$700 billion of "troubled mortgage-related assets" from financial firms in hopes of improving confidence in the mortgage-backed securities markets and the financial firms participating in it. Discussion, hearings and meetings among legislative leaders and the administration later made clear that the proposal would undergo significant change before it could be approved by Congress. On October 1, a revised compromise version was approved by the Senate with a 74-25 vote. The bill, HR1424 was passed by the House on October 3, 2008 and signed into law. The first half of the bailout money was primarily used to buy preferred stock in banks instead of troubled mortgage assets.