The tables in Publication 14, Withholding Tax Guide, list the current tax withholding rates. You can also view current and past income tax rates on this page.Discover essential steps for safely paying international contractors. Our guide simplifies compliance, currency, payment methods, contracts, and more. The W8BEN and W8BENE forms are essential for foreign independent contractors and businesses. 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. When to withhold independent contractor taxes? What are the tax obligations for independent contractors ? Employers must pay unemployment insurance in the state of Utah. University of Tennessee • Payroll Office.