ITIN Guides & Resources
Practical guides for non-U.S. residents on ITIN applications, Form W-7, U.S. tax filing, and payment platform compliance.
Why ITIN Application Security and Service Quality Matter More Today
Not all ITIN services are equal. This guide explains why IRS certification, document security, and service quality matter when choosing an ITIN provider — and what to look for.
ITIN Application Guide: How to Submit an IRS-Compliant Passport Copy
The IRS has strict requirements for passport copies submitted with Form W-7. This guide explains exactly what is needed — and how to avoid document errors that delay your ITIN.
How to Set Up a US Mailing Address for Your ITIN Letter
Why ITIN applicants should use their own US address, a free comparison of Stable vs UsePostal, and a 5–10 minute setup walkthrough — with a real fraud warning.
UsePostal US Virtual Address for ITIN Applicants
Step-by-step guide to setting up a UsePostal US virtual address to receive your IRS ITIN letter — free for 6 months with the Stripe Atlas referral.
Stable US Address for Receiving Your ITIN Letter
How to set up a Stable US virtual address to receive your IRS ITIN letter — free for the first 2–3 months, plus the billing traps to avoid.
Can Chinese, Russian, or Iranian Residents Apply for a U.S. ITIN?
Residents of China, Russia, Iran, and other countries often wonder if their nationality affects ITIN eligibility. The short answer: ITIN eligibility is based on tax obligation, not citizenship or sanc
How to Verify an ITIN Service Is a Legitimate IRS Certified Acceptance Agent
Not finding an ITIN service on the IRS Acceptance Agent search? Here's why that happens, what the search actually shows, and the right way to verify a CAA's credentials before paying.
ITIN for Etsy and eBay Sellers: What International Marketplace Sellers Need (2025–2026)
International sellers on Etsy, eBay, Redbubble, and similar platforms face backup withholding without a valid TIN. Learn when you need an ITIN and how to apply as a non-U.S. seller.