Your adjusted gross income (AGI) plays a major role at tax time. Learn how to calculate adjusted gross income, why it's important for e-filing, and how it impacts your eligibility for various tax breaks.
From Jan. 1 - Jan. 31, 2020, use only the 2020 W-4 Form. (The 2010 W-4 is no longer relevant.) Submit this form to only your employer, not the IRS. W-4P Withholding Certificate for Pension or Annuity Payments W-4S Request for Federal Income Tax Withholding from Sick Pay ...