Form 1040X

AAA

DEFINITION of 'Form 1040X'

A form used by taxpayers who have to amend their tax returns for any reason. Form 1040X is an itemized, line-by-line description of all necessary adjustments, so that the taxpayer can clearly record the exact type and amount of each amendment, and give a brief description of what is being amended and why.

INVESTOPEDIA EXPLAINS 'Form 1040X'

Form 1040X can be downloaded off the Internal Revenue (IRS) website. In most cases, taxpayers who use this form need to also amend their state tax returns. Taxpayers must fill out this form regardless of whether they initially used Form 1040, Form 1040A or Form 1040EZ.

To learn more about this IRS tax form, read When would I need to fill out an IRS Form 1040X when filing my taxes?

RELATED TERMS
  1. 1040 Form

    The standard Internal Revenue Service (IRS) form that individuals ...
  2. 1040EZ Form

    The 1040EZ is an alternative to the Internal Revenue Service's ...
  3. Amended Return

    A return filed in order to make corrections to a tax return from ...
  4. Deferred Tax Asset

    A deferred tax asset is an asset on a company's balance sheet ...
  5. Buffett Rule

    A tax rule proposed in 2011, by President Barack Obama, stating ...
  6. Benefits Received Rule

    1. A theory of income tax fairness that says people should pay ...
Related Articles
  1. Inaccurate Tax Return, Now What?
    Taxes

    Inaccurate Tax Return, Now What?

  2. Get A Tax Credit For Your Foreign Investments
    Taxes

    Get A Tax Credit For Your Foreign Investments

  3. 3 Common Tax Questions Answered
    Taxes

    3 Common Tax Questions Answered

  4. Which is better for tax deductions, ...
    Options & Futures

    Which is better for tax deductions, ...

Hot Definitions
  1. Halloween Strategy

    An investment technique in which an investor sells stocks before May 1 and refrains from reinvesting in the stock market ...
  2. Halloween Massacre

    Canada's decision to tax all income trusts domiciled in Canada. In October 2006, Canada's minister of finance, Jim Flaherty, ...
  3. Zombies

    Companies that continue to operate even though they are insolvent or near bankruptcy. Zombies often become casualties to ...
  4. Witching Hour

    The last hour of stock trading between 3pm (when the bond market closes) and 4pm EST. Witching hour is typically controlled ...
  5. October Effect

    The theory that stocks tend to decline during the month of October. The October effect is considered mainly to be a psychological ...
  6. Repurchase Agreement - Repo

    A form of short-term borrowing for dealers in government securities.
Trading Center