Forms Library Form W-4   Federal Employee's Withholding Allowance Certificate Form W-204 (Wisconsin's W-4 Equivalent)   Employee's Wisconsin Withholding Exemption Certificate / New Hire Reporting Form I-9   Employment Eligibility Verification Form W-9   Request for Taxpayer Identification Number and Certification Form W-11   Hiring Incentives to Restore Employment (HIRE) Act Employee Affadavit