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. Do you need a 1099 for international contractors?Your guide for understanding how to hire and pay independent contractors around the world. This how-to guide provides the best methods and resources to make overseas payments to international contractors quickly, safely and securely. Who is require to withhold? • Withholding Agent. Check if Gusto can help you pay your contractors who live outside the U.S. Learn how to add them, set up regular payments, and pay them. What are the Withholding Requirements for Payments to Foreign Independent Contractors? Vietnam's foreign contractor tax (FCT), often referred to as the withholding tax, is a tax that is applied to transactions conducted in Vietnam. Self-employed independent contractors receive Form 1099-NEC for Nonemployee Compensation.