Individual Taxpayer Identification Number

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ITIN
TIN
Taxpayer Identification Number


Forms and Instructions

Relevant Forms

Form W-7 Application for IRS Individual Taxpayer Identification Number

W-7 Instructions for Form W-7, Application for IRS Individual Taxpayer Identification Number

Form W-7 (SP) Solicitud de Numero de Identificacion Personal del Contribuyente del Servicio de Impuestos Internos

W-7 (SP) Solicitud de Numero de Identificacion Personal del Contribuyente del Servicio de Impuestos Internos

Form W-7A Application for Taxpayer Identification Number for Pending U.S. Adoptions

Form W-9 Request for Taxpayer Identification Number and Certification

W-9 Instructions for the Requestor of Form W-9, Request for Taxpayer Identification Number and Certification

Form W-9S Request for Student's or Borrower's Taxpayer Identification Number and Certification


Publications

Related Publications

Publication 1281 Backup Withholding for Missing and Incorrect Name/TINs (including instructions for reading tape cartridges and CD/DVD formats)

Publication 1586 Reasonable Cause Regulations and Requirements for Missing and Incorrect Name/TINs (including instructions for reading CD/DVDs and Magnetic Media)

Publication 1915 Understanding Your IRS Individual Taxpayer Identification Number (ITIN)

Publication 1915 (SP) Understanding Your IRS Individual Taxpayer Identification Number (ITIN) (Spanish Version)

Publication 4327 ITIN Bilingual Brochure (English & Spanish)

Links Inside Publications

Publication 17 - Your Federal Income Tax (For Individuals) - How Do I Prepare My Return?

Individual taxpayer identification number (ITIN). The IRS will issue you an ITIN if you are a nonresident...

Publication 17 - Your Federal Income Tax (For Individuals) - Child and Dependent Care Credit

Taxpayer identification number. You must include on your return the name and taxpayer identification number...

Publication 51 - Circular A, Agricultural Employer's Tax Guide - (Circular A), Agricultural Employer's Tax Guide

1. Taxpayer Identification Numbers. If you are required to withhold any federal income, social security, or...

Frequently Asked Questions

FAQ - Child Care Credit/Other Credits

Can I claim the child tax credit for a child who has an ITIN, rather than a social security number? Yes, you...

FAQ - Small Business/Self-Employed/Other Business

Do businesses have to obtain the taxpayer identification number (TIN) from vendors and keep it somewhere on...

FAQ - Small Business/Self-Employed/Other Business

Under what circumstances am I required to change my employer identification number (EIN)? If you already have...

FAQ - Small Business/Self-Employed/Other Business

Is an employer ID number the same as a tax ID number? An Employer Identification Number (EIN) is also known...

FAQ - Aliens and U.S. Citizens Living Abroad

My spouse is a nonresident alien. How can I get a nonworking social security number for her? Each foreign person...

Tax Topics

Tax Topic 755

Employer Identification Number (EIN) – How to Apply. 755An Employer Identification Number (EIN) is a nine-digit...

Tax Topic 857

Individual Taxpayer Identification Number (ITIN) – Form W-7. 857A taxpayer identification number must be furnished...