Learn about UTR to register for a new tax account. Complete Form W4 so that your employer can withhold the correct federal income tax from your pay.Consider completing a new Form W-4 each year. The new form has five steps. Employees must fill out step 1 and step 5. The purpose of the Texas New Hire Reporting Form is to allow employers to fulfill new hire reporting requirements. Write your state and employer state ID number in box 15 if your state requires you to do so. Form W4 is a 4page Internal Revenue Service form comprised of the withholding certificate, worksheets, withholding tables, and instructions.