Request to withhold taxes. Submit a request to pay taxes on your Social Security benefit throughout the year instead of paying a large bill at tax time.The Travis Central Appraisal District offers property owners the opportunity to complete several forms online. Employers generally must withhold federal income tax from employees' wages. To figure out how much tax to withhold, use the employee's Form W-4. You must give Form NJ-W4 to your employees to fill out and return to you. This form tells you how to withhold tax from your employee's pay.