What is a tax ID number? It's a unique nine-digit number issued by the Social Security Administration or the IRS to anyone ...

This guide was reviewed by a Business News Daily editor to ensure it provides comprehensive and accurate information to aid your buying decision. Tax identification numbers (TINs) and corporate ...

On Thursday, the IRS issued proposed regulations (REG-148873-09) that permit filers of information returns to use truncated taxpayer identification numbers (TTINs) when issuing payee statements in the ...

An Employer Identification Number (EIN) is issued to nearly all businesses by the Internal Revenue Service. It is comprised of nine digits and uniquely identifies companies for tax filing purposes.

I now have several identifying numbers or codes that I am expected to remember and use. I’d like to make it as simple as possible. Can I request a specific Social Security number if that number has ...