Find IRS forms, instructions, publications, and notices for prior years back to 1864.

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产品编号 标题 修订版日期
Instruction W-9 Instructions for the Requestor of Form W-9, Request for Taxpayer Identification Number and Certification 2013
Form W-9 (SP) Solicitud y Certificacion del Numero de Identificacion del Contribuyente 2013
Instruction W-9 (SP) Instrucciones para el Solicitante del Formulario W-9(SP), Solicitud y Certificacion del Numero de Identificacion del Contribuyente 2013
Form W-12 IRS Paid Preparer Tax Identification Number (PTIN) Application and Renewal 2013
Instruction W-12 Instructions for Form W-12, IRS Paid Preparer Tax Identification Number (PTIN) Application and Renewal 2013

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