Understanding the difference between an SSN and ITIN is key to filing taxes correctly and avoiding mistakes that can delay your benefits.

An Individual Taxpayer Identification Number (ITIN) is a tax processing number issued by the IRS for individuals who are not eligible for a Social Security Number. Many lenders and credit card issuers ...

An Individual Taxpayer Identification Number is a nine-digit number the IRS uses to process taxes and administer tax laws. The agency issues them only to certain nonresident and resident aliens, as ...