Nonresident aliens are also subject to withholding taxes on earned income as well as on other income such as interest and dividends ... to help them file their annual income tax returns.
The goal is to have your annual tax withholding be as close to your overall ... it could be and you're effectively giving Uncle Sam an interest-free loan each pay period (you won't get paid ...
In a move that may disappoint taxpayers, the recent budget proposal has introduced changes that extend the period for withholding tax refunds and reduce the interest paid on delayed refunds.