VALID › Notice Library › Letter 6483C

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

6483C letter explained, in the IRS’s own words

We received a federal income tax return, Form 1040-series, filed under your Social Security number (SSN) or individual tax identification number (ITIN). To continue processing your tax return, we need you to verify your identity and your tax return. If you didn't file a tax return, call the Taxpayer Protection Program hotline shown on your letter.

Read the full 6483C page on irs.gov ↗

Quoted from www.irs.gov/individuals/understanding-your-letter-6483c, read October 15, 2026 · fingerprint b0b6e446bfbb · 1 line left out here (see irs.gov)

Don’t File Form 14039, Identity Theft Affidavit, If You Received Letter 6483C

Follow the letter’s instructions to provide all needed information.

What this letter is about

We received a federal income tax return, Form 1040-series, filed under your Social Security number (SSN) or individual tax identification number (ITIN). To continue processing your tax return, we need you to verify your identity and your tax return. If you didn't file a tax return, call the Taxpayer Protection Program hotline shown on your letter.

This letter is a pilot to use ID.me, an in-person verification service to confirm your identity.

If you did NOT file

Call the Taxpayer Protection Program hotline on your letter to tell us you didn't file a tax return.

If you DID file

Use the ID.me in-person verification service to confirm your identity. To complete the process, you'll need to take the following steps:

  • Visit the website in the letter to create an account and complete initial identity verification questions.
  • Schedule an appointment to visit an in-person identity verification session at an Identity Network Location near you.

Note: This is only an in-person verification appointment, and you don't need to bring or show any tax related information to the assistor.

  • Following the in-person identity verification, you will receive instructions to complete the process with the IRS.

What to bring to your kiosk appointment

You'll need to bring your registration code and 2-3 identity documents to your appointment.

  • One document must be from the primary list below and match your current name and date of birth.
  • One document must contain your current valid US address.

Note: You may be required to bring an additional document that lists your full Social Security number. Your appointment confirmation email will outline the documents and your document requirements.

Acceptable documents

Primary list

  • State-issued driver's license
  • State ID card, if the state’s identification card standards are the same as your driver’s license
  • U.S. passport or passport card
  • Federal, state, or local government agency ID card with photograph
  • Note: Military IDs, temporary, and paper documents are not accepted
  • Foreign passport that has a passport number
  • U.S. Coast Guard merchant mariner card
  • USCIS permanent resident card (I-551)
  • USCIS employment authorization card (I-766)
  • Canadian driver’s license

Secondary list

  • Social Security card
  • State government issued certificate of birth
  • Marriage certificate (government certificate issued)
  • Court order for name change/gender change/adoption/divorce
  • Current school ID with photograph
  • Draft record
  • Native American tribal document
  • U.S. government issued consular report of birth abroad
  • U.S. tribal or Bureau of Indian Affairs identification card
  • Vehicle registration/title
  • Voter registration/ Voter registration card

Secondary documents list (90-day limit)

These secondary identification documents cannot be older than 90 days. They must also display your full name, current address, and account number, except for pay stubs.

  • Bank, loan, or financial institution statement issued by the bank (this must show the full account number, full name, and current address)
  • Cable or internet bill
  • Electric bill
  • Gas bill
  • Medical bill
  • Phone bill
  • Water bill
  • Paycheck stub – the financial information can be redacted (removed, marked out, or otherwise hidden)

Important

We won't be able to process your tax return, issue a refund, or credit any overpayments to your account.

Note: The letter applies to identity and tax return verification only. No other tax-related information, including refund status, is available at the telephone numbers shown on your letter.

What else can I do to protect my identity?

See Publication 5027, Identity Theft Information for Taxpayers PDF, or visit Identity Theft Central.

Getting an IRS Identity Protection PIN can help prevent misuse of your taxpayer identification number on fraudulent federal income tax returns.

  • See ID.me help center
  • See ID.me help under In-Person Verification
  • If you can’t find what you need online, call the IRS number in your notice or letter.

Learn more at Get an Identity Protection PIN (IPPIN).

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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