A tax identification number is a unique nine-digit number issued by the Social Security Administration or the IRS to anyone who pays taxes.

An EIN is a unique business tax ID number that you can get online in only a few minutes. Here's who needs an EIN, how to apply and why you should get one.

You can look up your tax ID number on your EIN confirmation letter or business tax returns, or you can call the IRS. Confirming your own EIN with the IRS is free.

The tax number that lets you buy items at wholesale is commonly called a sales tax certificate or license. The idea behind buying wholesale is that you will resell the items at retail, ...

It's offically Tax Day, which means if you haven't already filed, you must spend the next several hours gathering your important tax documents or trying to decipher your W-2.Even if you're using ...