This section explains three types of taxpayer identification
numbers, who needs them, when to use them, and how to get them.
Social security number (SSN).
Generally, use your SSN as your taxpayer identification number. You
must put this number on each of your individual income tax forms, such
as Form 1040 and its schedules.
To apply for an SSN, use Form SS-5,
Application for a Social Security Card. This form is
available from Social Security Administration (SSA) offices or by
calling 1-800-772-1213. It is also
available from the SSA's Internet web site at www.ssa.gov.
Individual taxpayer identification number (ITIN).
The IRS will issue an ITIN to an alien who does not have (and is
not eligible to get) a social security number (SSN). To apply for an
ITIN, file Form W-7, Application for IRS
Individual Taxpayer Identification Number, with the IRS. It
usually takes about 30 days to get an ITIN. Enter it wherever an SSN
is requested on a tax return. If you must include another person's SSN
on your return and that person does not have and cannot get an SSN,
enter that person's ITIN.
An ITIN is for tax use only. It does not entitle the holder to
social security benefits or change the holder's employment or
immigration status.
Employer identification number (EIN).
You must also have an EIN to use as a taxpayer identification
number if you do either of the following.
- Pay wages to one or more employees.
- File pension or excise tax returns.
If you must have an EIN, include it along with your SSN on your
Schedule C or C-EZ.
You can get an EIN either through the mail or by telephone. But
first you must fill out Form SS-4, Application
for Employer Identification Number. This form is available from
either the SSA or the IRS.
New EIN.
You may need to get a new EIN if either the form or the ownership
of your business changes. For more information, see Publication 1635,
Understanding Your EIN.
When you need identification numbers of other persons.
In operating your business, you will probably make certain payments
you must report on information returns. These payments are discussed
under Information Returns, later in this chapter. You must
give the recipient of these payments (the payee) a statement showing
the total amount paid during the year. You must include the payee's
identification number and your identification number on the returns
and statements.
Employee.
If you have employees, you must get an SSN from each of them.
Record the name and SSN of each employee exactly as they are shown on
the employee's social security card. If the employee's name is not
correct as shown on the card, the employee should request a new card
from the SSA. This may occur if the employee's name was changed due to
marriage or divorce.
If your employee does not have an SSN, he or she should file Form
SS-5 with the SSA.
Other payee.
If you make payments to someone who is not your employee and you
must report the payments on an information return, get that person's
SSN. If you must report payments to an organization, such as a
corporation or partnership, you must get its EIN.
To get the payee's SSN or EIN, use Form W-9,
Request for Taxpayer Identification Number and
Certification.
A payee who does not provide you with an identification number may
be subject to backup withholding. For information on backup
withholding, see the Form W-9 instructions and the General
Instructions for Forms 1099, 1098, 5498, and W-2G.
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