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  The Division of Revenue links for online filing options are available at  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. Delaware Personal Tax Forms Personal Income Tax Forms (current) Personal Income Tax Forms (prior years) […]

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Software Developer Contact Information

Personal Income Tax   Business Tax     For Specific Tax Questions   Personal Income Tax     Business Tax

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Approval Process

Software Developer Approval Process

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Software Developer

All Tax Forms Forms Approval Process Approved Software Developers (MeF) Vendor Registration and Letter of Intent Approved Software Vendors FTA State Exchange System W-2 and 1099 Form FAQs Tax Season Updates Contacts for Software Developers Revenue Contacts   Dates Tables 2023 Holiday Table 2023 Withholding Date Table 2023 Corporate Date Table

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Tax Rate Changes

Tax Table Calculation

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