An automatic extension will be granted to taxpayers if they certify on the state return that a federal extension has been granted. You do not have to file a North Carolina extension if you were granted an extension to file your federal income tax return. If you need to make an NC extension payment, you need to file Form D-410 , Application for Extension for Filing Individual Income Tax Return, by the original due date of the return. You can file Form D-410 online using North Carolina's website . Click on "File/Pay Extension".