Typical Delaware Personal Income Tax refunds may take up to 10-12 weeks to process More Info

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Business Tax Forms 2023-2024

The Division of Revenue links for online filing options are available at https://revenue.delaware.gov/file/.  Electronic filing is fast, convenient, accurate and easy.  When completing a form electronically, please download the form prior to completing it to obtain the best results.   Please select the type of business from the list below.   Looking for Older Forms […]

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Missing/Incorrect W-2 or 1099-R Form

About the Division of Revenue.

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Personal Income Tax Related Links

Personal income tax links.

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Personal Income Tax Contact Information

Contact information.

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Personal Income Tax Forms and Instructions

2011 Delaware income tax forms and instructions.

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Individual Taxpayer Services

Important links to services and content for Delaware individual taxpayers.

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IRS Tax Center

IRS tax center.

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Tax Rate Changes

Tax Table Calculation

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Forms and Instructions

Find links to PDF versions of forms you may need or wish to refer to during the collections process.

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2015-2016 Personal Income Tax Forms

2015-2016 Personal Income Tax forms.

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