Was Is a Tin Number?

A Taxpayer Identification Number (TIN) is an identification number used by the Internal Revenue Service (IRS) in the administration of tax laws. ... A Social Security number (SSN) is issued by the SSA whereas all other TINs are issued by the IRS.

How do I know my TIN number?

The U.S. Taxpayer Identification Number may be found on a number of documents, including tax returns and forms filed with the IRS, and in the case of an SSN, on a social security card issued by the Social Security Administration.

Does everyone have a TIN number?

An individual may have an IRS individual taxpayer identification number (ITIN). ... Any person other than an individual, and any individual who is an employer or who is engaged in a U.S. trade or business as a sole proprietor, must have an Employer Identification Number (EIN).