For all due dates, if the date falls on a Saturday, Sunday, or County holiday, the due date is extended to the following business day. Everyone has an automatic 6-month filing extension in Virginia, which moves the filing deadline from May 1 to November 1 for most taxpayers.This gives you until October 15 to file without penalties. Virginia allows an automatic 6-month extension to file your return (Nov. The filing deadline is May 1. Late filing penalties may be assessed for renewals submitted after May 1. Extension requests must be received on or before the due date of the return. Non Profit Tax Returns: 990 form. Please be aware of this when filling out any of the forms listed below. Person filling out forms.