What is I10 tax form for?

The I-10 tax form, more commonly referred to as Form W-7, is used by individuals who are not eligible for a Social Security number but need an Individual Taxpayer Identification Number (ITIN) for tax purposes in the United States. This form is typically submitted by non-resident aliens, their spouses, and dependents to comply with U.S. tax laws. The ITIN is primarily used for filing federal tax returns and is not intended for work authorization or identification purposes.