West Virginia

State of West Virginia Business Income Tax Extensions

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General Instructions

West Virginia corporation tax returns are due by the 15th day of the 3rd month following the end of the tax year. For calendar year filers, this date is March 15. If you cannot file on time, you can get a West Virginia tax extension.

The State of West Virginia recognizes the Federal tax extension (IRS Form 7004). Therefore, if you have a valid Federal extension, you will automatically be granted a corresponding West Virginia tax extension for the same amount of time. A Federal extension gives you 6 extra months to file, which means that the deadline for filing your West Virginia tax return will be extended to September 15 (for calendar year filers). Make sure to attach a copy of your approved Federal extension to your West Virginia return when it’s filed.

If you do not have a valid Federal extension, you can apply for a state business extension by sending a written request to the West Virginia State Tax Department. Remember that your extension request must be submitted by the original deadline of your return (March 15).

A tax extension only gives you more time to file, not more time to pay. Your West Virginia tax liability must be paid by the original due date (March 15) to avoid interest and penalties. You can make a West Virginia extension payment using Form CNF-120T (Tentative Corporation Net Income / Business Franchise Tax Return), or by going online to the West Virginia Electronic Filing and Services portal.

For more information, please visit the West Virginia State Tax Department website.

West Virginia State Income Tax Extension Forms


Form CNF-120T (Tentative Corporation Net Income / Business Franchise Tax Return)


Mail to the following address:

West Virginia State Tax Department

Tax Account Administration Division

P.O. Box 1202

Charleston, WV  25324-1202