This publication contains general information regarding the withholding of Virginia income tax from wages. If you file an amended return with any other state that affects your Virginia income tax, you must file an amended Virginia return within one year.If you file an amended return with any other state that results in a change that would affect your Virginia income tax, you must file. How do I apply for Child Support Services? You can complete the application at your local CSS office or apply online. The Board of Supervisors sets the income and net worth limits. To see if you qualify, review the eligibility requirements. Complete this form to request or make changes to your income tax withholding. This program offers free tax return help to low income, elderly and special needs individuals. Would provide cause for a partial or complete denial of the exemption.