IRS Letter 3339C – Audit Reconsideration – Additional Substantiation Request

The IRS wants you to provide additional proof to support your request for audit reconsideration.

View notice image

Type of Notice: Return accuracy

Most common tax problem area: IRS tax audits

Other tax problem areas: IRS penalties, IRS bill for unpaid taxes

Why you received IRS Letter 3339C

  1. You filed a tax return which was selected for audit.
  2. You did not respond on time to the notices sent regarding the final audit determination, and taxes were assessed.
  3. You requested audit reconsideration.
  4. You provided documentation to prove your position.
  5. The IRS sent Letter 3339C to request additional documentation.

Your options to address IRS Letter 3339C

Provide the documentation requested

Notice deadline: 30 days

If you miss the deadline: The IRS may deny the request for audit reconsideration or only a partial change will be made.

Want more help?

See your local tax pro for a free consultation.

Related Topics

Related Resources

IRS Notice CP87C – You Need to Make Sure Someone Qualifies As Your Dependent

Find more information on IRS Notice CP87C and claiming dependents on tax returns. Get help from the tax experts at H&R Block.

IRS Notice CP81 – The IRS Hasn’t Received Your Tax Return

Don't miss out on a tax refund. Learn more about notice CP81 and how to handle an IRS CP81 notice with help from the tax experts at H&R Block.

IRS Letter 5071C – Potential Identity Theft During Original Processing

Learn more about letter 5071C, why you received it, and how to respond to an IRS 5071C letter with help from the tax experts at H&R Block.

IRS Letter 3666C – Unprocessable/Transferred Claim Letter

Learn more about IRS Letter 3666C, why you received the letter, and what it means for you with help from the tax experts at H&R Block.