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Forms and Instructions Forms and Instructions
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Relevant Forms
Form SS-4 Application for Employer Identification NumberTopic Screen for this Form
Instructions for Form SS-4, Application for Employer Identification Number
Form SS-4 (PR) Solicitud de Numero de Identificacion Patronal (EIN)Topic Screen for this Form
Instrucciones para la Forma SS-4PR, Solicitud de Numero de Identificacion Patronal (EIN)
Form W-7 Application for IRS Individual Taxpayer Identification NumberTopic Screen for this Form
Instructions for Form W-7, Application for IRS Individual Taxpayer Identification Number
Form W-7 (COA) Certificate of Accuracy for IRS Individual Taxpayer Identification NumberTopic Screen for this Form
Form W-7 (SP) Solicitud de Numero de Identificacion Personal del Contribuyente del Servicio de Impuestos InternosTopic Screen for this Form
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. AdoptionsTopic Screen for this Form
Form W-9 Request for Taxpayer Identification Number and CertificationTopic Screen for this Form
Instructions for the Requestor of Form W-9, Request for Taxpayer Identification Number and Certification
Form W-9 (SP) Solicitud y Certificacion del Numero de Identificacion del ContribuyenteTopic Screen for this Form
Instrucciones para el Solicitante del Formulario W-9(SP), Solicitud y Certificacion del Numero de Identificacion del Contribuyente
Form W-9S Request for Student's or Borrower's Taxpayer Identification Number and CertificationTopic Screen for this Form
Form W-12 IRS Paid Preparer Tax Identification Number (PTIN) Application and RenewalTopic Screen for this Form
Form 8945 PTIN Supplemental Application For U.S. Citizens Without a Social Security Number Due To Conscientious Religious ObjectionTopic Screen for this Form
Form 8946 PTIN Supplemental Application For Foreign Persons Without a Social Security NumberTopic Screen for this Form
Principal Publications Publications
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Related Publications
Publication 1281 Backup Withholding for Missing and Incorrect Name/TINs (including instructions for reading tape cartridges and CD/DVD formats)PDF version of this PublicationTopic Screen for this Publication
Publication 1586 Reasonable Cause Regulations and Requirements for Missing and Incorrect Name/TINs (including instructions for reading CD/DVDs and Magnetic Media)PDF version of this PublicationTopic Screen for this Publication
Publication 1915 Understanding Your IRS Individual Taxpayer Identification Number (ITIN)PDF version of this PublicationTopic Screen for this Publication
Publication 1915 (SP) Understanding Your IRS Individual Taxpayer Identification Number (ITIN) (Spanish Version)PDF version of this PublicationTopic Screen for this Publication
Publication 4327 ITIN Bilingual Brochure (English & Spanish)PDF version of this PublicationTopic Screen for this Publication
Links Inside Publications
Publication 334 - Tax Guide for Small Business (For Individuals Who Use Schedule C or C-EZ) - Filing and Paying Business Taxes
Publication 519 - U.S. Tax Guide for Aliens - Identification Number
Publication 583 - Starting a Business and Keeping Records - Identification Numbers
heading icon Frequently Asked Questions
FAQ - Small Business, Self-Employed, Other Business
FAQ - Small Business, Self-Employed, Other Business
FAQ - Small Business, Self-Employed, Other Business
FAQ - Small Business, Self-Employed, Other Business