Department of Finance State of Delaware
We’re here for you when you need us. We’re available online and in person to help you get every credit and deduction you deserve. I love the site and I have used it faithfully for a few years now. It makes preparation a breeze and its an easy format to follow for beginners. Save up to 20% on federal filing compared to TurboTax®. Unclaimed Property Holders required to file by October 31, 2022 please see guidanceon new regulations. Corporationswill use Form 1120 and partnershipswill use Form 1065 to file their annual returns. Here’s what extension filers need to know about the October deadline. We'll contact you by mail if we need more information to process your return. To calculate interest on past-due taxes, visit Interest Owed and Earned. InterestPast-due taxes are charged interest beginning 61 days after the due date. Have your Social Security number, filing status, and the exact whole dollar amount of your refund ready. Taxpayer Education Click here to access informational...