Your employer will base your tax withholding on this information. Step 1 also asks for your name, address, Social Security number, and whether your name matches the name on your Social Security card.

If you expect to have to file a U.S. tax return in 2021, and your identification number is expiring, submit a renewal application by completing the Form W-7 and including all required documents.

A tax identification ... You’ll need to submit form SS-4, and must have a valid taxpayer identification number (ITIN, SSN, or ...

you have a few options to get a tax ID number: 3. No matter which route you go, you'll need to gather together the pertinent information necessary for completing the application. This includes ...