Aug 26, 2025 · 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 …

Jul 3, 2025 · Apply to use the IRS Taxpayer Identification Number (TIN) Matching service. You can validate TIN and name combinations prior to submitting information returns.

The TIN matching service lets payers or authorized agents verify taxpayer identification numbers and name combinations before submitting information returns.

Review the various taxpayer identification numbers (TIN) the IRS uses to administer tax laws. Find the TIN you need and how to get it.

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 …

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

Use Form W-7 to apply for an IRS individual taxpayer identification number (ITIN). You can also use this form to renew an existing ITIN that is expiring or that has already expired.

Aug 8, 2025 · The Social Security number or taxpayer ID number of the responsible party in control of your business or organization. If you’re a third-party designee, you must have signed …

Oct 29, 2025 · An employer identification number (EIN) is used to identify a business entity. You can get an EIN for your business, tax-exempt organization or other entity free directly from the …

Sep 16, 2025 · Order copies of tax records including transcripts of past tax returns, tax account information, wage and income statements, and verification of non-filing letters.