Complete el Formulario W-4 para que su empleador pueda retener la cantidad correcta del impuesto federal sobre los ingresos de su paga. In general, an employer who pays wages to one or more employees in Virginia is required to deduct and withhold state income tax from those wages.Information about Form W4, Employee's Withholding Certificate, including recent updates, related forms and instructions on how to file. Virginia Form VA-4 must be completed to know how much state income tax to withhold from your new employee's wages. Resident Aliens (RA) may complete the W-4 and VA-4 just like a U.S. citizen. Please use the worksheet on both forms to calculate your allowances and exemptions. Use Form I9 to verify the identity and employment authorization of individuals hired for employment in the United States. 4(SP) Employee's ithholding Allowance Certificate in Spanish. Alabama. State Tax Form, Virginia. File Form VA4 VA Withholding.pdf.