The IRS notice "CP 22E" informs the taxpayer of a balance due because of an audit examination of their return.
The IRS audited your tax return.
The changes to your tax return resulted in a balance due.
The CP22E explains the changes and the balance due. The notice includes a report detailing all the changes from the audit.
Notice deadline: 21 days
If you miss the deadline: Additional interest will accumulate and failure to pay penalties will be assessed.