You must make all deposits of taxes paid with respect to Form 1042-S (including taxes withheld under either chapter 3 or chapter 4) electronically. Payments made to foreign vendors will be subject to U.S. federal income tax withholding of 30 percent unless: 1.A payment to a Foreign Person;. • It is FDAP income; and. The eligible Foreign National must complete IRS Form 8233 and the Tax Treaty Affidavit. What U.S. tax forms am I expected to receive? Upon request, the City will furnish the Contractor with tax exemption certificates or the City tax exempt number. A Form 1042S from University of California will have a Riverside address in box 12i. November 14, 2009, the agencies used funds to complete several projects that have improved existing public housing sites, such as. U.S. Navy Regulations 1990, Article 1127.