Forms and Publications

Supplemental Forms

Form 8840 + Instructions (Closer Connection Exemption Test)
Form 4868 - Application for Extension
Form 1040X - Amended U.S. Individual Income Tax Return
Form 1040C – U.S. Departing Alien Income Tax Return
Form 1042 - Foreign Person's U.S. Source Income Subject to Withholding
Instructions 1042 - Foreign Person's U.S. Source Income Subject to Withholding
Form W-2 (sample)

Publications

• Publication 901, U.S. Tax Treaties
• Publication 519, U.S. Tax Guide for Aliens
• Publication 597, Information on the United States-Canada Income Tax Treaty