VALID › Notice Library › Letter 6436C

In the IRS’s own words · not reviewed by VALID

6436C letter explained, in the IRS’s own words

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

Read the full 6436C page on irs.gov ↗

Quoted from www.irs.gov/individuals/understanding-your-letter-6436c, read October 15, 2026 · fingerprint 7cecc7a31d79

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.

Reference tools

  • Publication 1, Your Rights as a Taxpayer
  • Full list of tax forms and instructions

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.

What to do next

  • Write down the date on the letter today.
  • Look the number up on irs.gov yourself. Don’t trust a link or phone number from anyone else.
  • If it says you owe money or proposes changes to your return, take it to a licensed CPA, EA or tax attorney before that date.

Not advice. Not a filing. Verify with a licensed professional. Rules change by year and facts.

Related Letters

Free · one field

Get your January tax-season checklist

One email in January with what changed for this tax season, what papers to gather, and when to bring in a licensed CPA. Then about once a month, when new checked rules open.

By joining you agree to emails about VALID, about one a month. Unsubscribe any time. We never ask for tax information. Privacy

Ask VALID