An Individual Taxpayer Identification Number is a nine-digit number the IRS uses to process taxes and administer tax laws. The agency issues them only to certain nonresident and resident aliens, as ...

A tax identification number (TIN) is a unique nine-digit number issued by the Social Security Administration or the Internal Revenue Service to anyone who pays taxes (personal or business). Your TIN ...

An Individual Taxpayer Identification Number (ITIN) is a tax processing number issued by the Internal Revenue Service (IRS), which is only available for certain nonresident and resident aliens, their ...

A Tax Identification Number (TIN) is required for all entities to file tax returns. Individuals use their Social Security Number (SSN) as their TIN for personal taxes. Businesses need unique TINs, ...

Keeping your personal and business expenses separate is crucial as a business owner, and an Employer Identification Number (EIN) is the best way to do so. An EIN number can help you keep your Social ...

Kiah Treece is a former attorney, small business owner and personal finance coach with extensive experience in real estate and financing. Her focus is on demystifying debt to help consumers and ...

What is a state tax ID number, and what is it for? A state tax ID number is sometimes called a state employer ID, state EIN or state tax registration. It’s assigned by a state to identify a business ...

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). Even ...