Read the information below to find out when your tax return is due. If the due date falls on a weekend or legal holiday, the due date is extended to the next business day. Note: The Annual 2019 Excise Tax Return due date is now June 15, 2020. ELECTRONIC FUNDS TRANSFER (EFT) DEBIT, AND ELECTRONIC FILING … Continue reading 2019 EXCISE TAX RETURN DUE DATES