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About Form W-9, Request for Taxpayer Identification Number and ...
Instructions for the Requester of Form W-9 (03/2024)
Información sobre el Formulario W-9 (sp), Solicitud y Certificación …
Forms and associated taxes for independent contractors
Forms & instructions - Internal Revenue Service
Instrucciones para el Solicitante del Formulario W-9 (03/2024)