income before tax[税收] 税前收入;利润总额;[税收] 税前收益;税前净利
individual income regulation tax个人收入调节税;个人调节税
income e tax所得税;入息税;个人所得税;薪俸税
Income Basic Tax Act所得基本税额条例
Income Basic Tax所得基本税额
accounting income and tax税务与会计处理
income-tax两税合并
The levy of the personal income tax began in our country in 1980.
个人所得税在我国的征收始于1980年。
参考来源 - 香港开征“商品及服务税”问题的探讨So is personal income tax and personal income tax law system.
个人所得税与个人所得税法律制度的关系也是如此。
参考来源 - 论我国个人所得税法律制度的完善N-VAR（有变体名词） Income tax is a part of your income that you have to pay regularly to the government. 所得税 [商业]
You pay income tax on all your earnings, not just your salary.
你所有的收入都得交所得税，不仅仅是工资。