When you file Form VA-6, you must submit each federal Form W-2, W-2G, 1099, or 1099-R that shows Virginia income tax withheld. Complete this form to request or make changes to your income tax withholding.VA W-4 Requirements. Complete Form W-4 so that your employer can withhold the correct federal income tax from your pay. Give Form W-4 to your employer. State Tax Form, Virginia. File Form VA4 VA Withholding.pdf. 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.