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IRS letters and notices

IRS letters and notices

Every IRS notice, letter and notice code we explain now lives in one place: the IRS Letters and Forms library. Find yours by its number.

Find your letter

Open the IRS Letters and Forms library and look up the number printed on your letter, such as CP2000, LT11 or Letter 147C.

The three letters people ask about most

  • CP2000: the IRS thinks income on your return doesn't match what payers reported.
  • CP14: a balance is due on your account.
  • LT11: the IRS intends to levy if the balance isn't resolved.

Owe a balance or facing collection? Read what to do about IRS debt.