For individuals who need a US tax processing number but aren't eligible for a Social Security Number. Processing takes 7–11 weeks once submitted to the IRS.
Must match identification documents exactly.
Where IRS sends the ITIN notice and returns your documents.
Required even if same as mailing address. No P.O. box.
A passport is the only document that proves both identity AND foreign status by itself. Without a passport, you need at least two documents — one for identity and one for foreign status. Original or certified-copy by the issuing agency only (notarized copies are not accepted).