File Online – FREE!
No income requirements. Faster refunds.

2020 Fillable Forms

• Delaware Individual Resident Income Tax Form (200-01)
• Delaware Individual Resident Income Tax Form Schedule (200-01 Sch)
• Delaware Resident Schedule A Form (PIT-RSA)
• Delaware Non-Resident Individual Income Tax Form (200-02)
• Delaware Non-Resident Individual Income Tax Form Schedule (200-02 Sch)
• Delaware Non-Resident Schedule A Form (PIT-NSA)

Extension Request form: Mail to State of Delaware, Division of Revenue, PO BOX 830, Wilmington, DE 19899-0830

• Form 200EX Extension Request Voucher – 2020 – Request For Extension (Formerly 200ES-5E)

2020 Instructions

• Delaware Individual Resident Income Tax Return Instructions for Forms(200-01)
• Delaware Non-Resident Individual Income Tax Return Instructions for Form (200-02)
• 2020 Income Tax Table

200 V – Payment Voucher

Schedule W Apportionment Worksheet

200-01X Resident Amended Income Tax Return

• 200-01 Xi Resident Amended Income Instructions

200-02X Non-Resident Amended Income Tax Return

• 200-02 Xi Non-Resident Amended Income Instructions

DE8453 Delaware Individual Income Tax Declaration for Electronic Filing

DE8453OL Delaware Individual Income Tax Declaration for On-line Filing

DE2210 Underpayment of Estimated Taxes

• DE2210i Instructions for Underpayment of Estimated Taxes

Form 329 Special Tax Computation for Distribution from Qualified Retirement Plan

Because the Delaware Estate Tax was repealed for individuals dying on or after January 1, 2018, this return is not required for 2019.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.

• 2017 Form 900R Resident Estate Tax Return
• 2017 Form 900NR Non-Resident Estate Tax Return

Form 200EX Delaware Estimated Income Tax Voucher – 2020 – Request For Extension (Formerly 200ES-5E)

Form 200ES Delaware Estimated Income Tax Voucher – 2021 – Select Quarter using Installment Due dropdown

Form 200ESi Delaware Estimated Income Tax Voucher – 2020 – Instructions

Form 200ES REQ Request for Change

Form 200EX Delaware Estimated Income Tax Voucher – 2021 – Request For Extension (Formerly 200ES-5E)

Form 200C-EX Delaware Estimated Income Tax Voucher – 2020 – Request For Extension

Form 200C-ES Delaware Estimated Income Tax Voucher – 2021 – Select Quarter using Installment Due dropdown

Form 200C-EX Delaware Estimated Income Tax Voucher – 2021 – Request For Extension

Form 400 Delaware Fiduciary Income Tax Return

Form 400i Delaware Fiduciary Income Tax Instructions

Form 400-ES (1E,2E,3E,4E) – Quarterly Declaration of Estimated Tax Return. Please choose the appropriate quarterly installment due date from the dropdown.

Form 400-ESi – Quarterly Declaration of Estimated Tax Return Instructions

Form 400-EX (5E) – 2020 Declaration of Estimated Tax Return Extension

Form 400-EX (5E) – 2021 Declaration of Estimated Tax Return Extension

Form 400 Schedule K-1

Form 400-V Electronic Filer Payment Voucher

Form 400-Vi Electronic Filer Payment Voucher Instructions

Form 200C Delaware Composite Return

Form 200Ci Delaware Composite Return Instructions

Form 209 Claim for Refund of Deceased Taxpayer

Form 300 Delaware Partnership Return

Form 300i Delaware Partnership Return Instructions

Form 300 Schedule K1 Partners Share of Income

Form 700 Delaware Income Tax Credit Schedule

Form 800 Business Income of Non-Resident

Form 800 Business Income of Non-Resident Instructions

Form 5403 Real Estate Tax Return – Declaration of Estimated Income Tax

• Form 5403i Real Estate Tax Return – Declaration of Estimated Income Tax Instructions

2020 Form 5506CPE Exemption from Public Utility Tax on Cell Phones

• 5506CPE Instructions for Exemption from Public Utility Tax on Cell Phones
• 2019 Form 5506CPE Exemption from Public Utility Tax on Cell Phones
• 2018 Form 5506CPE Exemption from Public Utility Tax on Cell Phones

Form 8821DE Authorization to Release Tax Information

Form IRA Special Tax Computation