internal revenue

基本解释

The federal income tax is governed by the Internal Revenue Code.
联邦所得税事项由《国内税收法典》调整。
It's also true that a consumption-based tax would not inflict as much damage as our internal revenue code, with its multiple layers of tax on income that is saved and invested.
而且，一种基于消费的税种不会带来像国内税收法规那样多的坏处，它对储蓄和投资的收入收取多重费用。
Most of these people were in the cash economy until 1997, when the Internal Revenue Service began to issue Individual Taxpayer Identification Numbers (ITINs) so everyone could pay taxes.
在1997年前，这部分人还是沉醉于现金经济；1997年后，美国收入署开始发放个别纳税人识别号码，于是，所有美国人都可以纳税。

A million charities and foundations are recognized as tax-exempt organizations by the Internal Revenue Service.
America's top tax official, Internal Revenue Service Commissioner Doug Shulman hailed the accord on Bloomberg television.
"This includes Arab-Kurdish relations, particularly as they relate to disputed internal boundaries, revenue-sharing, legislation related to hydrocarbons, the federal framework and the constitutional review process."

The Internal Revenue Service (IRS) will treat a delinquent loan as a cash withdrawal.
FORBES: Ball And Chain Borrowing