The main difference between an EIN and an ITIN is that an EIN is used to identify a business, while an ITIN is used by people who must file a tax return, but are not eligible to work in the United States.

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.

The only truly indispensable elements on a W-2 for income tax filing purposes are your employer’s federal EIN (Employer’s ID number), your own Social Security Number (SSN), and your actual wage data. …

The taxpayer’s correct ITIN should be used as the identifying number at the top of Form 1040. When inputting W-2 information, the SSN should be entered exactly as shown on the Form W-2 issued by the employer.

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.

Look on line 15 of the W-2 form you receive by the end of January each year. The EIN number is a nine-digit number that follows the format XX-XXXXXXX. Call your employer’s human resource or accounting department and ask a representative to look up the information for you.

If you received Form W-2 from your employer, your employer’s federal or state identification number is likely listed on the form. If your employer’s federal EIN or state tax identification number is not on the form, that is not your responsibility. You can still file your return with a missing identification number.

What is a Individual Taxpayer Identification Number (ITIN)? The Individual Taxpayer Identification Number (ITIN) is a tax processing number, issued by the U.S. Internal Revenue Service (IRS) to individuals who do not qualify for a social security number, so that non-residents taxpayers can comply with U.S. tax laws.

Like an SSN, an ITIN number is nine digits in the format xxx-xx-xxx. But the first digit will always be a 9, and the second section of the number will be in the range of 70-88 (e.g., 9xx-88-xxxx). As of 2012, the IRS had issued 21 million ITINs to taxpayers and their dependents.

A Tax Identification Number (TIN) is a nine-digit number used as a tracking number by the Internal Revenue Service (IRS). All U.S. tax identification numbers (TIN) or tax I.D. numbers are issued directly by the IRS except Social Security numbers (SSNs), which are issued by the Social Security Administration (SSA).

Contact the IRS. To check on the status of your federal tax ID number, contact the IRS by telephone at 800-829-4933. Press the number on your touchtone keypad as directed by the automated recording to have your call directed to “Employee or Federal Identification Number inquiries.” The wait on hold can be lengthy, so be patient.

You can apply for an Individual Taxpayer ID Number ( ITIN ) by completing IRS Form W-7 and mailing it to the IRS, or you can apply in person. To apply for an Employer Id Number (EIN), use one of these four easy application methods, including an online application.

Employee’s Social Security Number (SSN) You are required to get each employee’s name and Social Security number (SSN) and to enter them on Form W-2. (This requirement also applies to resident and nonresident alien employees.) You should ask your employee to show you his or her social security card. The employee may show the card if it is available.

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.