What this letter is about Letter 6167C tells you we need to verify your identity to process a federal income tax return filed with your name and taxpayer identification number. What you need to do Call the Taxpayer Assistance Center toll-free at the number on your letter. If you are out of the country, mail your response with the requested information within 30 days. Bring the following to your appointment: The 6167C letter. The income tax return referenced in the letter (Form 1040, 1040A, 1040-EZ,1040-PR, 1040-NR, etc.). Note: A Form W-2 or Form 1099 is not a tax return. A previous year’s income tax return, other than the year in the letter (Form 1040, 1040A, 1040-EZ,1040-PR, 1040-NR, etc.). Note: A Form W-2 or Form 1099 is not a tax return. Supporting documents that you filed for each year’s income tax return (Form W-2, Form 1099, Schedule C or F, etc.). Bring the following identity verification documents to your appointment: A valid U.S. federal or state government-issued picture identification, such as a driver’s license, state ID, or passport. At least ONE of the following forms of identification: Current U.S. federal or state government-issued identification that is different from the first document above; U.S. Social Security card; mortgage statement with current address; Lease agreement for a house or apartment with current address; Car title; Voter registration card (not the voter registration application); Utility bill with current address; Birth certificate (the IRS no longer accepts Puerto Rican birth certificates issued before July 1, 2010); Current school records. You may want to Review this notice with your tax preparer. Contact Taxpayer Advocate Service (TAS) if you’re experiencing an economic hardship or need help in resolving problems. You can reach TAS at 877-777-4778 or TTY/TTD 800-829-4059. What if you don't respond We may not be able to process your return, issue refunds, or apply overpayments to next year’s estimated tax. Frequently asked questions What happens after my appointment or after I have mailed the documentation? Once we verify your identity and confirm you submitted the tax return, we’ll continue processing your return. It will take about nine weeks to process. What if I didn’t file the tax return? Someone else may have filed it for you without your consent. Send us a completed and signed Form 14039, Identity Theft Affidavit PDF. You may want to read our identity theft resources page while we review your Form 14039. Reference tools Publication 1, Your Rights as a Taxpayer Publication 17, Your Federal Income Tax Full list of tax forms and instructions 도움이 필요하십니까? 귀하를 대신해 IRS와 연락하도록 타인에게 권한을 부여할 수 있습니다(영어). 저소득 납세자 클리닉(영어)으로부터 도움을 받을 수 있는지 알아보십시오. 온라인에서 필요한 정보를 찾을 수 없는 경우 통지서 및 서신 상단에 기재된 IRS 번호로 전화하십시오. 서신이나 통지서를 받지 않았다면 전화 상담을 이용하십시오. 스스로 과징금 문제를 해결할 수 없는 경우 IRS내 독립기관인 납세자 보호 서비스에 문의하십시오.