Perhaps you need to clarify your question somewhat. Collection and allocation of income taxes are authorized by the Constitution of the United States. Collection is authorized specifically by the 16th Amendment of the Constitution.
revenue recognnition
The concept of a tax table is about displaying the amount of tax due based on the income received. It is laid out graphically so that it is easier to decipher than just information.
When we talk about Permenent difference or temporary difference, we actually mean Interperiod Tax allocation. Intraperiod tax allocation involves apportionning the total tax provision for financial accounting purpose in a period between the income or loss from: Income frm continuing operation, Discontinued operations, Extraordinary items, Cumulative effect of accounting change, and other comprehensive income.
Before tax income is gross income less allowable deductions and rebates = assessable income. After tax income is assessable income less the applicable income tax
Income tax IS based on your income that is why it is called INCOME tax.
Yes. Any tax on income is income tax. Taxes imposed after income, such as sales tax, aren't.
A income tax is a tax levied on the income of individuals or business.
That is not a term or concept in US tax. Individual or corporate, or Partnership are, and of course, that just depends if your a person/family, corporation or partnership.
"Pre-Tax" generally means that income to employee is diverted from income before being taxed. This pre-tax event reduced income and, therefore, reduces Federal and State income tax at the marginal tax rates of the account-holder. Roth contributions, however, are considered "after-tax". This concept essentially works in reverse. The funds are taxed before they go into the 401k account. However, the funds are generally withdrawn tax-free upon retirement.
Net income is what you get after tax, gross income is before tax.
Income tax an amount of tax that is due on your TAXABLE INCOME amount for the tax year.
I think you're referring to a foreign tax credit. It's a concept that many jurisdictions have adopted by which you are credited in one jurisdiction for the tax you paid on income in another to avoid being taxed twice for the same income.