You may need to withhold tax if you make nonwage payments to nonresidents. This is called nonresident withholding.Complete Form W-4 so that your employer can withhold the correct federal income tax from your pay. Gov and search for withholding requirements for updates, online tools, and more information, including: Forms and Publications Who is require to withhold? • Withholding Agent. Complete Form W4 so that your employer can withhold the correct federal income tax from your pay. A Business License is an annual tax you pay each calendar year for doing business within the unincorporated area of the County of Alameda. Complete Form W4 so that your employer can withhold the correct federal income tax from your pay. Form Number, Form Name, Category.