Tax Identification Numbers

Application for a Social Security Card (SSN)

Employer ID Numbers (EINs)

An Employer Identification Number (EIN) is also known as a Federal Tax Identification Number, and is used to identify a business entity.

Individual Taxpayer Identification Number (ITIN)

Effective January 1, 2013, the IRS has updated procedures that affect the Individual Taxpayer Identification Number (ITIN) application process.

North Carolina Online Business Registration

The Department’s online business registration allows you to electronically register for an account ID number

Taxes -- Frequently Asked Questions

Find answers to common tax questions on the IRS web site by reviewing the categories of questions or doing a search by keyword or category.

Taxpayer Identification Numbers (TIN)

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 Administration (SSA) or by the IRS. A Social Security number (SSN) is issued by the SSA whereas all other TINs are issued by the IRS.