2005 INCOME TAX FORMS
Please Note: The forms on this website are available in PDF format. This requires the use of an Acrobat Reader version 6.0 or higher, which may be downloaded free of charge from Adobe Systems.
Prior Year Forms
Obtain Paper Forms
Estate Tax Forms Fiduciary Tax Forms Miscellaneous Forms
Personal Income Tax
DE8453 Delaware Individual Income Tax Declaration for Electronic Filing
DE8453OL Delaware Individual Income Tax Declaration for On-line Filing
Form 1027 Application for Automatic Extension of Time to File a Delaware Individual Income Tax Return
This form is no longer available since the due date was 5/1/06.Form 329 Special Tax Computation for Distribution from Qualified Retirement Plan
Estate Tax Forms
Form(s) 900R and 900NR are not required if Date of Death was on or after January 1, 2005.
Refer to Senate Bill # 227 for more information.

