T
The Daily Insight

What happens if you ignore an IRS mail audit?

Author

Emma Jordan

Published Mar 19, 2026

Here’s what happens if you ignore the notice: The IRS will make changes to your return (like adding income or removing deductions and/or credits). The IRS will propose taxes and possibly penalties, and you’ll get a “90-day letter” (also known as a statutory notice of deficiency).

What to do when you get audited by IRS?

If you are being audited, the IRS will contact you by mail or telephone, not by email. Included in the notice will be the specific information that is to be examined and what supplementary documents you may need to present. You have 30 days to respond to an audit notice.

How often does the IRS do a mail audit?

The IRS does 70% of audits by mail. But just because you get an IRS audit letter instead of an IRS agent at your door, the outcome may not be much different than a face-to-face audit with an IRS agent. In fact, in 2016, the IRS made a change to the return in 89% of all mail audits.

Do you get an audit letter from the IRS?

For most people, this is far from reality. The IRS does 70% of audits by mail. But just because you get an IRS audit letter instead of an IRS agent at your door, the outcome may not be much different than a face-to-face audit with an IRS agent.

Can you request a face to face audit from the IRS?

If you have too many books or records to mail, you can request a face-to-face audit. The IRS will provide contact information and instructions in the letter you receive. Depending on the issues in your audit, IRS examiners may use one of these Audit Techniques Guides to assist them.

Why are I being selected for an IRS audit?

An IRS audit is a review/examination of an organization’s or individual’s accounts and financial information to ensure information is reported correctly according to the tax laws and to verify the reported amount of tax is correct. Why am I being selected for an audit? How am I notified?