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Forms and Instructions Forms and Instructions
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Related Forms
Form SS-4 Application for Employer Identification NumberTopic Screen for this Form
Instructions for Form SS-4, Application for Employer 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-12 IRS Paid Preparer Tax Identification Number (PTIN) Application and RenewalTopic Screen for this Form
Instructions for Form W-12, IRS Paid Preparer Tax Identification Number (PTIN) Application and Renewal
Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350Topic Screen for this Form
Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version)Topic 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 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 4393 (EN-SP) Become an IRS ITIN Acceptance Agent (English/Spanish version)PDF version of this PublicationTopic Screen for this Publication