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The phrase Bush tax cuts refers to changes to the United States tax code passed originally during the presidency of George W. Bush and extended during the presidency of Barack Obama, through: *Economic Growth and Tax Relief Reconciliation Act of 2001 (EGTRRA) *Jobs and Growth Tax Relief Reconciliation Act of 2003 (JGTRRA) *Tax Relief, Unemployment Insurance Reauthorization, and Job Creation Act of 2010 *American Taxpayer Relief Act of 2012 (partial extension) While each act has its own legislative history and effect on the tax code, the JGTRRA amplified and accelerated aspects of the EGTRRA. Since 2003, the two acts have often been spoken of together, especially in terms of analyzing their effect on the U.S. economy and population and in discussing their political ramifications. Both laws were passed using controversial Congressional reconciliation procedures.〔(The Financial Times-GOP Eyes Arcane Budget Rule to Help Crush Obamacare-July 2012 )〕 The Bush tax cuts had sunset provisions that made them expire at the end of 2010, since otherwise they would fall under the Byrd Rule. Whether to renew the lowered rates, and how, became the subject of extended political debate, which was resolved during the presidency of Barack Obama by a two-year extension that was part of a larger tax and economic package, the Tax Relief, Unemployment Insurance Reauthorization, and Job Creation Act of 2010. In 2012, during the fiscal cliff, the tax cuts were made permanent for single people making less than $400,000 per year and couples making less than $450,000 per year, and eliminated for everyone else, under the American Taxpayer Relief Act of 2012. Before the tax cuts, the highest marginal income tax rate was 39.6 percent. After the cuts, the highest rate was 35 percent. Once the cuts were eliminated for high income levels (single people making $400,000+ per year and couples making $450,000+ per year), the top income tax rate returned to 39.6 percent. ==Implications for the Alternative Minimum Tax== The 2001 act and the 2003 act significantly lowered the marginal tax rates for nearly all U.S. taxpayers. One byproduct of this tax rate reduction was that it brought to prominence a previously lesser known provision of the U.S. Internal Revenue Code, the Alternative Minimum Tax (AMT). The AMT was originally designed as a way of making sure that wealthy taxpayers could not take advantage of "too many" tax incentives and reduce their tax obligation by too much. It is a parallel system of calculating a taxpayer's tax liability that eliminates many deductions. However the applicable AMT rates were not adjusted to match the lowered rates of the 2001 and 2003 acts, causing many more people to face higher taxes. This reduced the benefit of the two acts for many upper-middle income earners, particularly those with deductions for state and local income taxes, dependents, and property taxes. The AMT exemption level aspects of the 2001 and 2003 tax cuts, as well as the sunsetting year of capital gains and dividends, were among the tweaks made to the tax code in the Tax Increase Prevention and Reconciliation Act of 2005. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Bush tax cuts」の詳細全文を読む スポンサード リンク
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