After you file

Comply with any request made in a timely fashion. 

 

Why you received IRS Letter 566

  1. The IRS selected your tax return for an audit.
  2. The IRS is requesting that you provide documents to prove you are eligible to take one or more deductions or credits on your tax return.

Notice deadline: 30 days

If you miss the deadline: The IRS may not allow certain deductions or credits on your tax return and will assess additional tax, penalties and interest.