taxpayer identification number

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Tax Identification Number

A number the IRS assigns to businesses and other entities, such as trusts, for tax purposes. While the TIN exists for a variety of reasons, its main function is to ensure that each organization is billed for its own taxes, and not those of another entity with the same name. Social Security numbers serve as TINs for individuals.

taxpayer identification number (TIN)

For an individual, his or her Social Security number. For a business or fiduciary, its Employer Identification Number.

Wall Street Words: An A to Z Guide to Investment Terms for Today's Investor by David L. Scott. Copyright © 2003 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. All rights reserved.

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--Did I apply for an SSN (or other taxpayer identification number)?

Planning for a New Child in the Family

die executor must check item G and provide the taxpayer identification number of the electing trust with the highest asset value.

Post-mortem: Sec. 645 Election Tax Planning Opportunities

The inability to confirm taxpayer identification numbers is one of the most frustrating aspects of information reporting.

IRS Penalty Handbook: information return penalties

For example, a vendor's taxpayer identification number (TIN) can have one of two possible formats, depending upon whether the vendor is a business or an individual.

Detecting occupational fraud: billing schemes

3406 requires backup withholding (currently 28%) if the payee fails to furnish a correct taxpayer identification number (TIN) or the payer has been notified by the IRS that the payee has previously underreported interest or dividend income.

Penalty relief given, backup withholding delayed for payment card reporting

If such a payment is subject to information reporting, and the payee has not certified his or her taxpayer identification number (TIN) on Form W-9, Request for Taxpayer Identification Number and Certification (or certain other conditions exist), the payer must perform "backup" withholding at 28%.

Information reporting for 2006 exempt interest

The IRS Taxpayer Identification Number Matching Service and Transcript Delivery Service also may help with the matching errors, he said.

The IRS speaks: bankruptcy, OICs, e-filing highlight Liaison meeting

The contemporaneous substantiation rule for vehicles donated after 2004 requires that the charity generate a detailed receipt showing the name and taxpayer identification number of the donor, the donee's name, the date and location of the contribution, and the vehicle identification number (or similar number for a boat or airplane).

New tax acts toughen rules for noncash charitable contributions

In administering this exception, payers would have to possess the means of verifying a payee's taxpayer identification number (TIN) and its eligibility for exemption.

Corporate information reporting proposals and other initiatives to improve the administration and enforcement of employment taxes

* Any changes that might be needed to Form W-9, Request for Taxpayer Identification Number and Certification, and related rules for soliciting taxpayer identification numbers (TINs), and other concerns regarding identifying payees.