Non-Treaty Countries
Internal Revenue Manual Part 21. Customer Account Services · 2026-10-03 edition · updated 2026-10-04 · United States
The following are non-treaty country codes. Applicants requesting certification for the following non-treaty countries, or any new non-treaty country, must provide an explanation on Form 8802, Line 9, Purpose for certification, as to why certification is being requested.
Applicants that request certification for a non-treaty country, and later receive a refund of all or part of the foreign taxes paid, must amend their U.S. filing when a foreign tax credit was taken for taxes they were refunded. Applicants that fail to notify the IRS of foreign tax refunds or change in the dollar amount of foreign taxes paid, may have to pay a penalty.
When an explanation of why certification is requested for a non-treaty country is not provided, enter the Form 8802 on the United States Residency Certification (USRC) Database and issue letter 4064.
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