You may need to withhold tax if you make nonwage payments to nonresidents. This is called nonresident withholding.Gov and search for withholding requirements for updates, online tools, and more information, including: Forms and Publications In Costa Rica, employers do not need to withhold and pay taxes on the contractor's behalf. Who is require to withhold? • Withholding Agent. If you have any doubt about the requirement to withhold, go ahead and do it and use a Form 1042. Business License Fee Calculation. For income that is not earned from personal services, the payee files Form W8BEN. The term does not include your procurement of property and services needed to carry out the project or program.