What are the requirements in getting a tax identification number

Question

What are the requirements in getting a tax identification number

Answer 1

For your individual income tax ID, the Social Security number is the identifying number. If you have a business an application is filed with the   IRS and a business number will be assigned. Since it has been years since we first registered and have long since been out of business, check with any tax accountant, IRS or state tax office to confirm.

Answer 2

If you are referring to an ITIN:

Please see form W-7.

Generally, a tax reason for needing the number.

Proof of identity.