Use Form 8802 to request Form 6166, a letter of U.S. residency certification for purposes of claiming benefits under an income tax treaty or value added tax (VAT) exemption. You cannot use Form 6166 to substantiate that U.S. taxes were paid for purposes of claiming a foreign tax credit.
Current revision
Recent developments
New process with respect to Form 8802, Application for United States Residency Certification -- 10-APRIL-2024