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

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NEXUS Questionnaire

The questionnaire is designed to elicit from business taxpayers specific information for use in determining the existence or non-existence of nexus.

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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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Prior Year Personal Income Tax Forms

Find personal income tax forms for prior years.

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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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Step 3: Licensing and Registration Information

Find out the steps you need to take in order to become licensed and registered as a business in Delaware.

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Certificate of Tax Clearance

The Division of Revenue issues Certificates of Tax Clearance for corporate and personal income taxes.

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E-911 Prepaid Wireless Surcharge

E911 Prepaid Wireless Surcharge

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