A tax identification number is a unique nine-digit number issued by the Social Security Administration or the IRS to anyone who pays taxes.

Learn how to get a state tax ID number, what it is, if you need one and answers to frequently asked questions.

An EIN is a federal tax ID number for an entity, estate, trust, or other organization. For example, the following are generally required to obtain an EIN: partnerships, limited liability companies ...

Adoption Taxpayer Identification Number An adoption taxpayer identification number, or ATIN, is a temporary TIN issued by the IRS to a child whose adoption is pending.

With last season just wrapping up—and the 2025 tax season around the corner—the IRS is reminding tax pros that it’s an excellent time to renew their Preparer Tax Identification Number (PTIN).

The tax statement will show their listed personal property, for example, a vehicle, or real estate, for example, a home, and show how much tax is owed by Dec. 31.

Business owners can apply for their Employer Identification Number in minutes and use it to hire employees, borrow, pay taxes and more.

Employer Identification Number Businesses and other entities use an employer identification number, or EIN—sometimes called a federal employer identification number, or FEIN—for tax reporting.

You'll need to provide your filing status, social security number or individual taxpayer ID number (ITIN), and the refund amount on your 2024 return. You can also make payments through the app.

You'll need your Social Security number or individual taxpayer ID number, your filing status and the exact refund amount on your return. What does my tax return status mean?