amended return A tax return filed to adjust for information received after the
filing date of the taxpayer’s original return or to correct errors.
average tax rate The rate at which each dollar of taxable income is taxed on
average; calculated by dividing the tax liability by taxable
income.
estimated taxes Tax payments required on income not subject to withholding
that are paid in four installments.
exemptions Deductions from AGI based on the number of persons supported
by the taxpayer’s income.
Federal Insurance
Contributions Act
(FICA), or Social
Security tax
The law establishing the combined Old-Age, Survivor’s,
Disability, and Hospital Insurance tax levied on both employer
and employee.
federal withholding
taxes
Taxes—based on the level of earnings and the number of
withholding allowances claimed—that an employer deducts
from the employee’s gross earnings each pay period.
gross income The total of all of a taxpayer’s income (before any adjustments,
deductions, or exemptions) subject to federal taxes; it includes
active, portfolio, and passive income.
income shifting A technique used to reduce taxes in which a taxpayer shifts a
portion of income to relatives in lower tax brackets.
income taxes A type of tax levied on taxable income by the federal
government and by many state and local governments.
itemized deductions Personal expenditures that can be deducted from AGI when
determining taxable income
marginal tax rate The tax rate that you pay on the next dollar of taxable income.
progressive tax
structure
A tax structure in which the larger the amount of taxable income,
the higher the rate at which it is taxed.
standard deduction A blanket deduction that depends on the taxpayer’s filing status,
age, and vision and can be taken by a taxpayer whose total
itemized deductions are too small.
tax audit An examination by the IRS to validate the accuracy of a given
tax return.
tax avoidance The act of reducing taxes in ways that are legal and compatible
with the intent of Congress.
tax credits Deductions from a taxpayer’s tax liability that directly reduce his
or her taxes due rather than taxable income.
tax deferred Income that is not subject to taxes immediately but that will be
subject to taxes later.
tax evasion The illegal act of failing to report income or deductions
accurately and, in extreme cases, failing to pay taxes altogether.
taxable income The amount of income subject to taxes; it is calculated by
subtracting adjustments, the larger of itemized or standard
deductions, and exemptions from gross income.
taxes The dues paid for membership in our society; the cost of living