Taxpayer Identification Number
/ˈtæksˌpeɪər ɪˌdɛntɪfɪˈkeɪʃən ˈnʌmbər/
Definitions
- (n.) A unique identifier assigned to individuals or entities by a government agency for tax purposes.
The IRS requires individuals to provide their taxpayer identification number when filing returns.
Forms
- taxpayer identification number
- taxpayer identification numbers
Related terms
See also
Commentary
The term is often used interchangeably with 'tax identification number,' though the latter may have broader usage; always specify the exact form depending on jurisdiction and context.
This glossary is for general informational and educational purposes only. Definitions are jurisdiction-agnostic but reflect terminology and concepts primarily drawn from English and American legal traditions. Nothing herein constitutes legal advice or creates a lawyer-client relationship. Users should consult qualified counsel for advice on specific matters or jurisdictions.