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

LP64 notice explained, in the IRS’s own words

We need your help in locating a taxpayer you may know.

Read the full LP64 page on irs.gov ↗

Quoted from www.irs.gov/individuals/understanding-your-lp64-notice, read October 15, 2026 · fingerprint 74c21abc8dbb · 1 line left out here (see irs.gov)

What this notice is about

We need your help in locating a taxpayer you may know.

What you can do to help

Complete Form 15106, Request for Updated Taxpayer Information, included with your notice and return it using the envelope provided. If you prefer to speak with us, you can call the number on your notice. Please respond either by mail or phone within 10 days from the date of your notice.

What you need to know

We’re required by law to maintain a list of third-party contacts. In some cases, we’re required to provide this to the individual the information you provided is related to. If you don’t want to be on this list, call us at the phone number on your notice.

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 on your notice or letter. If you didn’t receive a letter or notice, use telephone assistance.
  • If you can't resolve the penalty on your own, contact Taxpayer Advocate Service, an independent organization within IRS.

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.

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