This gives you until October 15 to file without penalties. Application for Automatic Six-Month Extension of Time to File for Individuals IT-370.Your full Social Security number (SSN). Business extensions are until the 15th day of the eleventh month following the calendar or fiscal year end. â–«. The extended due date of the City return is the fifteenth day of the tenth month after the year end. EXTENSION: Any taxpayer that has requested a six month Federal Extension will also receive an extension for the filing of a City income tax return. To qualify, you must have an address of record located in the disaster area. Calendaryear corporations whose 2023 extensions run out on Oct. You can send your Virginia income tax return directly to us, or to the city or county where you lived on Jan. 1. An extension only extends the time to file the return, not the time to pay the tax due.