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IRS Letter 2644C – Second Interim Response

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Letter 2644C notifies you that the IRS needs additional time to review the documents you submitted.

Type of Notice: Return accuracy

Likely next step: Handle an IRS CP2000 underreporter inquiry

Also see: IRS bill for unpaid taxes, IRS penalties

Why you received IRS Letter 2644C

  1. You received a notice such as a CP2000 from the IRS indicating you may have underreported your income.
  2. You contacted the IRS regarding this notice.
  3. The IRS sent Letter 2644C as notification that they still need additional time to obtain and/or review your documents.

Notice deadline: N/A

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