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Do I Need an ITIN?

Whether you count as a U.S. resident for taxes, whether an ITIN is even the right number, and exactly which documents to bring. It runs in your browser; nothing is collected.

What the check reads

• The substantial presence test§7701(b)
• ITIN or Social Security NumberW-7
• Exceptions and treaty positions8840 · 8833
• Whether your documents are enoughPub 519
• A checklist you can printYours