DEFINITION of 'Form 4506'

A tax form distributed by the Internal Revenue Service (IRS) and used to a request a copy of a previously filed tax return. Taxpayers can have a copy of most forms, including forms 1040, 1120 and 941, sent to them. Any attachments to those forms, such as a W-2, are also sent. The IRS typically keeps tax returns for seven years before destroying them.


Third party tax preparers can usually provide a copy of past returns to taxpayers who've paid to have their taxes filed for them. Taxpayers can also request a tax return transcript, which contains most of the useful information found on the full tax return, including information that will be of interest to companies requiring tax return information, such as mortgage companies.

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  1. What is IRS Form W-2 used for?

    Any employer who pays an employee $600 or more for the year, including noncash forms of remuneration, must file a form W-2 ... Read Answer >>
  2. Who needs to fill out IRS Form Schedule B?

    If you have several investments, there's a good chance you'll need to fill out a IRS Form Schedule B. Read Answer >>
  3. When would I need to use IRS Form 1040X when filing my tax return?

    If you've made a mistake on your tax return, you'll need to file a Form 1040X. Learn the details of what you need to do. Read Answer >>
  4. What is the difference between federal and state withholding tax?

    Discover whether you can file your taxes by yourself. The three main options for tax preparation are a tax professional, ... Read Answer >>
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