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2020 Fillable Forms
Extension Request form: Mail to State of Delaware, Division of Revenue, PO BOX 830, Wilmington, DE 19899-0830
Because the Delaware Estate Tax was repealed for individuals dying on or after January 1, 2018, this return is not required for 2019. If you have an estate involving a decedent who died prior to January 1, 2018, please use the 2017 forms linked below.