Related links
Application for Extension of Time To File U.S. Income Tax
All other taxpayers should file Form 4868, Application for Automatic. Extension of Time To File U.S. Individual Income Tax Return, to request an extension of
Learn more
Instructions for Form 8233 (Rev. October 2021)
You can use Form 8233 to claim a tax treaty withholding exemption for noncompensatory scholarship or fellowship income only if you are also claiming a tax
Learn more
Certification of U.S. residency for tax treaty purposes
Oct 3, 2024 To obtain Form 6166, a letter of U.S. Residency Certification, you must submit a completed Form 8802, Application for United States Residency
Learn more