Understanding your letter 6436C


What this letter is about

This letter explains what’s missing or incomplete on Form 8038-CP PDF which may delay processing of your return. 

What you need to do

Send the requested information within 30 days from the date of the letter. If we don’t receive a response, we may not be able to correctly process your form. 

You may want to

  • File electronically. Electronic filing of Form 8038-CP is expected to be available later in 2022.
  • Visit the Tax-exempt bonds page for more information, tools and the community newsletter.

Need Help?

  • You can authorize someone to contact the IRS on your behalf.
  • If you can’t find what you need online, call the IRS number at the top of your notice or letter.