deduction from income tax

基本解释

The part will study the shortcomings of present personal income tax law system from tax model, tax scope, expense deduction, structure of tax rates, the administration of tax collection, etc.
具躰從納稅人、稅種歸屬、課征模式、課稅範圍、稅率結搆、費用釦除和稅收征琯等稅收法律制度的幾大主要方麪逐一探討我國現行個人所得稅法律制度存在的主要缺陷。

One nice thing about the aid calculators is that they allow a deduction from income for income taxes, including federal tax.
FORBES: Paying for College: How the Financial Aid Formulas Work
About 40% of that revenue would be a result of not extending the 2001-03 tax cuts for high-income households and another 30% would come from the deduction cap (so you could wipe that off the books already).
FORBES: Did The Debates Offer Enough 'Hope and Change' for the Obama/Biden Ticket?
But note again that the largest group excluded from paying income tax because of special tax expenditures are seniors, who get a bigger standard deduction than younger folks and more importantly, special tax treatment for their Social Security benefits.
FORBES: Memo To Mitt Romney: The 47% Pay Taxes Too