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2017 Booklets
(Booklets are not fillable. Fillable forms are listed below.)
Delaware Individual Resident Income Tax Booklet (Form 200-01)
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Delaware Non-Resident Individual Income Tax Booklet (Form 200-02)
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2017 Fillable Forms
Delaware Individual Resident Income Tax Form (200-01)
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Delaware Non-Resident Individual Income Tax Form (200-02)
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2017 Instructions
Delaware Individual Resident Income Tax Return Instructions for Forms(200-01)
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Delaware Non-Resident Individual Income Tax Return Instructions for Form (200-02)
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2017 Income Tax Table
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200 V – Payment Voucher
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Schedule W Apportionment Worksheet
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200-01X Resident Amended Income Tax Return
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200-01 Xi Resident Amended Income Instructions
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200-02X Non-Resident Amended Income Tax Return
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200-02 Xi Non-Resident Amended Income Instructions
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DE8453 Delaware Individual Income Tax Declaration for Electronic Filing
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DE8453OL Delaware Individual Income Tax Declaration for On-line Filing
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DE2210 Underpayment of Estimated Taxes
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DE2210i Instructions for Underpayment of Estimated Taxes
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Form 329 Special Tax Computation for Distribution from Qualified Retirement Plan
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2016 Form 900R Resident Estate Tax Return
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2017 Form 900R Resident Estate Tax Return
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2016 Form 900NR Non-Resident Estate Tax Return
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2017 Form 900NR Non-Resident Estate Tax Return
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The following form 200ES Extension Voucher Replaces the previous full-page Extension Form 1027:
Form 200ES Delaware Estimated Income Tax Voucher – 2017 – Request For Extension
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Form 200ES Delaware Estimated Income Tax Voucher – 2018 – First Quarter
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Form 200ES Delaware Estimated Income Tax Voucher – 2018 – Second Quarter
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Form 200ES Delaware Estimated Income Tax Voucher – 2018 – Third Quarter
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Form 200ES Delaware Estimated Income Tax Voucher – 2018 – Fourth Quarter
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The following form 200ES Extension Voucher Replaces the previous full-page Extension Form 1027:
Form 200ES Delaware Estimated Income Tax Voucher – 2018 – Request For Extension
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Form 400 Delaware Fiduciary Income Tax Return
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Form 400i Delaware Fiduciary Income Tax Instructions
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Form 400-ES 1e – Declaration of Estimated Tax Return & Instructions
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Form 400-ES 2e – Declaration of Estimated Tax Return & Instructions
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Form 400-ES 3e – Declaration of Estimated Tax Return & Instructions
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Form 400-ES 4e – Declaration of Estimated Tax Return & Instructions
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Form 400-EX 5e – Declaration of Estimated Tax Return & Instructions
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Form 400 Schedule K-1
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Form 400-V Electronic Filer Payment Voucher
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Form 200C Delaware Composite Return
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Form 209 Claim for Refund of Deceased Taxpayer
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Form 300 Delaware Partnership Return
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Form 300 Schedule K1 Partners Share of Income
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Form 300i Delaware Partnership Instructions
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Form 700 Delaware Income Tax Credit Schedule
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Form 800 Business Income of Non-Resident
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Form 5403 Real Estate Tax Return – Declaration of Estimated Income Tax for transactions for transactions closing on or after January 1, 2019.
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Form 5403 Real Estate Tax Return – Declaration of Estimated Income Tax
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2018 Form 5506CPE Exemption from Public Utility Tax on Cell Phones
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2017 Form 5506CPE Exemption from Public Utility Tax on Cell Phones
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Form 8821DE Authorization to Release Tax Information
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Form IRA Special Tax Computation
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Please Note: Forms on this website are provided in PDF format. This requires the use of an Acrobat Reader version 7.0 or higher, which may be downloaded free of charge from Adobe Systems.