An ITIN, or Individual Taxpayer Identification Number, is a tax processing number only available for certain nonresident and resident aliens, their spouses, and dependents who cannot get a Social Security Number (SSN). It is a 9-digit number, beginning with the number “9”, formatted like an SSN (NNN-NN-NNNN).

What do you call a tax identification number?

A Taxpayer Identification Number (TIN) is an identification number used by the Internal Revenue Service (IRS) in the administration of tax laws.

When do you need a tax preparer identification number?

Beginning January 1, 2011, if you are a paid tax preparer you must use a valid Preparer Tax Identification Number (PTIN) on returns you prepare. Use of the PTIN no longer is optional. If you do not have a PTIN, you must get one by using the new IRS sign-up system.

When to file Form SS-4 for tax treaty exemption?

Those foreign entities filing Form SS-4 for the purpose of obtaining an EIN in order to claim a tax treaty exemption and which otherwise have no requirements to file a U.S. income tax return, employment tax return, or excise tax return, should comply with the following special instructions when filling out Form SS-4.

Which is the tax identifiction number issued by the IRS?

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.

Who is responsible for interpreting the tax code?

4. Power of the Commissioner to Interpret Tax Laws and to Decide Tax Cases. – The power to interpret the provisions of this Code and other tax laws shall be under the exclusive and original jurisdiction of the Commissioner, subject to review by the Secretary of Finance.