income taxˈincome tax noun [countableC, uncountableU]TAX
in Britain, a tax on money people earn, paid to the national government. In the US, a tax on the money people earn or on the profits companies make, paid to the national, state, or local government
Florida and Texas have no income tax, which is one reason that many people with substantial assets live there.
He failed to report and pay income tax on his portion of this income.