You may need to withhold tax if you make nonwage payments to nonresidents. This is called nonresident withholding.Will tax need to be withheld from a Foreign National for Independent Services? Gov and search for withholding requirements for updates, online tools, and more information, including: Forms and Publications You may need Form 1042S for your tax returns. Both the University of California San Diego and University of California issue Forms 1042-S. This form is used for a Foreign National Payee (Independent Contractor) who is receiving a payment for personal services from the University. This article will bring you the information you need about these selfemployment taxes that you must pay. Search for business topics like employer tax identification number (EIN) information, with the A-Z Index. If you do gig work as an employee, your employer should withhold tax from your paycheck.