Biofuel tax credits, overall, reduced US excise tax revenue by$ 6bn in 2009, according to the Congressional Budget Office. 根据美国国会预算办公室(congressionalbudgetoffice)的数据,2009年,生物燃料的税收抵免政策,让美国总共减少了60亿美元税收。
And later the National Excise Office also made a series of relative provisions. 此后,国家税务总局制定了一系列的有关规定。