ITIN, SSN, or EIN? What You Actually Need to File Taxes in 2025

You Actually Need to File Taxes in 2025

When filing taxes in 2025, you’ll need either an SSN, ITIN, or EIN depending on your situation. This detailed guide explains what each number means, who needs it, and how to get it. Whether you’re an individual, non-citizen, or business owner, using the correct taxpayer ID can save you from delays and penalties. Learn the differences and apply with confidence using official IRS links and expert guidance.