Questions & Answers

How do I file a Delaware extension?

To extend your due date for submitting your income tax return (from April 30, 2021 to October 15, 2021), submit the following to the Delaware Division of Revenue no later than April 30, 2021:

1. Your payment of any balance of tax liability estimated to be due for tax year 2020 AND
2. The completed copy of DE Form 200ES (1027) .