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TurboTax / Tax Calculators & Tips / All Tax Guides / IRS Tax Forms / What is Form W-7: Application for IRS Individual Taxpayer Identification Number

What is Form W-7: Application for IRS Individual Taxpayer Identification Number

Updated for Tax Year 2015


OVERVIEW

A W-7 Form is used to apply for an individual taxpayer identification number, or ITIN, for non-citizens who aren't eligible to receive a Social Security number but need to file a federal tax return with the IRS for income from US sources.


U.S. citizen taxpayers typically use Social Security numbers to identify themselves and their family members to the Internal Revenue Service, better known as the IRS. But some non-citizens who have U.S. tax obligations aren't eligible to receive a Social Security number. Instead, they can apply for an individual taxpayer identification number, or ITIN, by submitting Form W-7 to the IRS.

work boot with american flag pin

Why ITINs Are Necessary

In general, only people who are authorized to work in the United States are eligible to have a Social Security number. This includes both U.S. citizens and non-citizens such as U.S. nationals and permanent residents. These people use their Social Security numbers to identify themselves when filing their taxes.

But non-citizens without work authorization sometimes have to file U.S. tax returns, too -- if they have income from U.S. sources, for example, or if they are entitled to a refund of withheld money under a tax treaty.

In addition, taxpayers who list non-citizen spouses or dependents on their tax return need to provide ID numbers for them. It is in situations like these where individual taxpayer identification numbers come into play.

About Form W-7

Form W-7 asks for the following information:

  • The reason the applicant needs an ITIN
  • The applicant's name, mailing address and, if different, foreign address
  • The applicant's birth date and location of birth
  • The country where the applicant is a citizen
  • The applicant's foreign tax ID number, if he or she has one
  • The applicant's U.S. visa number, if applicable
  • Details about documents being submitted to verify the applicant's identity

How to Apply

The IRS stresses that an ITIN is only for use with federal tax filings. Having one does not change a person’s residency or immigration status and does not mean someone is eligible to work in the United States. Further, you usually shouldn't apply for an ITIN until you actually need it for a tax return. To apply, submit:

  • A completed copy of Form W-7
  • The tax return that needs the number
  • Valid identification for the person needing the number

Valid Forms of ID

To receive an ITIN, a person’s ID must prove both identity and “foreign status” — that is, it must prove that the person is not a U.S. citizen. A valid passport or a certified copy of a passport proves both. If the person does not have a passport, then that person must supply at least two of the following documents. Some of them provide proof only of identity; others prove both foreign status and identity:

  • Photo ID card from U.S. Citizenship and Immigration Services (foreign status and identity)
  • Visa issued by the State Department (foreign status and identity)
  • U.S. of foreign driver’s license (identity only)
  • U.S. military ID card (identity only)
  • Foreign military ID card (foreign status and identity)
  • National ID card from a foreign country (foreign status and identity)
  • Non-driver ID card issued by a U.S. state (foreign status and identity)
  • Foreign voter registration card (foreign status and identity)
  • Foreign birth certificate (identity; if the certificate is from a foreign country, then foreign status and identity)
  • Medical records for children under 6 (identity; if the certificate is from a foreign country, then foreign status and identity)
  • School records for children under 14 or under 18 if still a student (identity; if the certificate is from a foreign country, then foreign status and identity)

The IRS reviews the W-7 and, if it approves the application, assigns an ITIN and processes the tax return.

Submitting the Form

A tax return accompanied by one or more W-7 forms cannot be submitted electronically. You can submit it in person at any IRS Taxpayer Assistance Center that performs in-person document reviews; most major cities have such assistance centers, and there is at least one center in every state.

You can also submit tax returns with W-7 forms by mail to:

  • Internal Revenue Service
  • ITIN Operation
  • P.O. Box 149342
  • Austin, TX 78714-9342

According to the IRS, it takes 6 to 10 weeks to obtain an ITIN. Starting in 2016, an ITIN will be canceled if it is not used on any tax return for 5 years in a row.

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Looking for more information?

The above article is intended to provide generalized financial information designed to educate a broad segment of the public; it does not give personalized tax, investment, legal, or other business and professional advice. Before taking any action, you should always seek the assistance of a professional who knows your particular situation for advice on taxes, your investments, the law, or any other business and professional matters that affect you and/or your business.


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