A Taxpayer Identification Number (TIN) is an identification number used by the Internal Revenue Service (IRS) in the administration of tax laws. It is issued either by the Social Security …

An ITIN is a 9-digit number the IRS issues if you need a U.S. taxpayer identification number for federal tax purposes, but you aren’t eligible for a Social Security number (SSN). Find if you …

An individual may have an IRS individual taxpayer identification number (ITIN). If the individual does not have, and is not eligible for, an SSN, he or she must apply for an ITIN by using Form …

3 天之前 · Find out if you need an employer identification number (EIN). Get one online, free from the IRS. Don’t pay for an EIN.

You have the responsible party’s Social Security or individual taxpayer ID number (ITIN). You can't use this: If your principal place of business is outside the U.S. Apply by phone, fax or …

Un número de identificación del contribuyente (TIN) es un número de identificación utilizado por el Servicio de Impuestos Internos (IRS) en la administración de las leyes tributarias.

2025年3月17日 · Find answers to frequently asked questions about applying for an individual tax identification number (ITIN). These FAQs provide examples to explain the Instructions for …

Apply for an Employer Identification Number (EIN) online, or by fax, mail or, for international applicants, by phone.

The On-Line Taxpayer Identification Number (TIN) Matching Program is a free web-based tool offered by the IRS through e-Services and was established for payers of reportable payments …

Information about Form W-9, Request for Taxpayer Identification Number (TIN) and Certification, including recent updates, related forms, and instructions on how to file. Form W-9 is used to …