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Delaware 1100 ext form

De ext form 2026

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The document is a Form 1100-EXT from the Delaware Division of Revenue, which is a request for an extension to file the Corporation Income Tax return. It outlines the necessary information required for the extension, including income tax liability calculations and payment instructions. The form allows for a six-month extension but emphasizes that it does not extend the payment deadline. Additionally, it states that consolidated corporate income tax returns are not allowed in Delaware.

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Click ‘Get Form’ to open the de ext form in the editor.
Begin by entering your Federal Identification Number at the top of the form. This is essential for identifying your corporation.
Next, specify the Calendar or Fiscal Year Ending date. Ensure this matches your accounting period.
Fill in the 'Due on or Before' field with the appropriate due date based on your tax year ending.
Complete the corporation's name and address fields, including street number, city, state, and zip code.
Calculate your Income Tax Liability by multiplying 8.7% by your total Delaware apportioned and non-apportioned income, and enter this amount in Line 1.
Enter the Tentative Tax Due (which is 100% of Line 1) in Line 2.
If you have previously paid any tentative tax, input that amount in Line 3.
Finally, calculate the Balance Due by subtracting Line 3 from Line 2 and enter it in Line 4.

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Versions	Form popularity	Fillable & printable
2023	4.8 Satisfied (46 Votes)
2017	4.8 Satisfied (145 Votes)
2008	4.5 Satisfied (83 Votes)

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