--- title: "IRS ITIN Application Requirements in 2026: What Non-Residents Must Submit" slug: irs-itin-application-requirements-non-residents category: "Taxes & Compliance" author: "Ashwini Dhangar" date: 2026-10-10T19:31:08.153+00:00 updated: 2026-10-10T19:31:22.580126+00:00 readingTime: "11 min read" description: "A requirements-first guide to the IRS ITIN application: W-7 fields, acceptable identity and foreign status documents, when a tax return must be attached, and why applications get rejected." tags: ["irs itin application requirements","ITIN Application Process","non-resident"] canonical: https://www.nexfyla.com/blog/irs-itin-application-requirements-non-residents humanView: https://www.nexfyla.com/blog/irs-itin-application-requirements-non-residents --- # IRS ITIN Application Requirements in 2026: What Non-Residents Must Submit > A requirements-first guide to the IRS ITIN application: W-7 fields, acceptable identity and foreign status documents, when a tax return must be attached, and why applications get rejected. --- *Human-readable view: * *Canonical: * *NexFyla — Form your U.S. LLC or Corporation from anywhere: *