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2018 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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2018 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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2018 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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2018 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,2E,3E,4E) – Quarterly Declaration of Estimated Tax Return. Please choose appropriate quarterly installment due date from dropdown.
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Form 400-ESi – Quarterly Declaration of Estimated Tax Return Instructions
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Form 400-EX (5E) – Declaration of Estimated Tax Return Extension
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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 400-Vi Electronic Filer Payment Voucher Instructions
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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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