Withholding Adjustment for Nonresident Alien Employees
Instruct nonresident aliens to see Notice 1392, Supplemental Form W-4 Instructions for Nonresident Aliens, before completing Form W-4.
Apply the procedure discussed next to figure the amount of federal income tax to withhold from the wages of nonresident alien employees performing services within the United States.
This procedure only applies to nonresident alien employees who have wages subject to income tax withholding.