After you file

What kind of letter was it, @mlk5665?   Use this service only if you have a:

• You received a 5071C letter, 5747C letter, 6331C letter, or 5447C letter and your financial and phone information is U.S. based, or; 
• An IRS representative directed you to use it

If you received a 4883C letter or a 6330C letter, follow the instructions on the letter.  You can't use this online service.  

To register and verify your identity, you need:

• Photo identification, if you don't have an existing ID.me account or IRS username, and
• The Form 1040-series  tax return  for the year shown on the letter
  • Note: A Form W-2 or 1099 is not a tax return

Verify Your Identity Now   --  IRS website.