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STATE OF CONNECTICUT DEPARTMENT OF REVENUE SERVICES (Rev. 12/00) FORM CT1120I 2000 Computation of Interest Due on Underpayment of Estimated Tax Enter Income Year Beginning, and Ending, CT TAX REGISTRATION
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How to fill out form ct-1120i

01
To fill out form ct-1120i, follow these steps:
02
Begin by entering your company's name, address, and federal employer identification number (FEIN) in the designated fields.
03
Next, provide information about your company's principal business activity and the date it was established.
04
Fill in the Schedule A section if your company has any addition modifications to its federal taxable income. This may include adjustments such as depreciation, net operating loss deductions, or other modifications.
05
In the Schedule B section, report any subtractions from your company's federal taxable income, such as Connecticut additions modifications.
06
If your company is involved in any affiliated or controlled group, complete the Schedule CT-1120SI section by providing information about the relationship and the names of the entities involved.
07
In the Schedule N section, report the apportionment factor for your business. This is determined based on the percentage of your company's property, payroll, and sales in Connecticut.
08
If your company has any credits applicable to the tax year, complete the Schedule CT-1120K section to claim those credits.
09
Finally, review the form to ensure all information is accurate and complete. Sign and date the form before submitting it to the appropriate tax authority.
10
Note: It is recommended to consult a tax professional or refer to the official instructions provided by the tax authority for detailed guidance on filling out form ct-1120i.

Who needs form ct-1120i?

01
Form ct-1120i is required for corporations in Connecticut that are subject to the state's corporation business tax.
02
Specifically, any corporation that is a member of an affiliated group filing a consolidated federal income tax return or has a net income of $100,000 or more is required to file form ct-1120i.
03
It is important for corporations to determine their filing requirements based on their specific circumstances and consult the state's tax authority or a tax professional for accurate and up-to-date information.
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Form CT-1120I is the Connecticut Corporation Business Tax Instructions.
Corporations subject to the Connecticut Corporation Business Tax are required to file Form CT-1120I.
Form CT-1120I can be filled out online or by mail following the instructions provided by the Connecticut Department of Revenue Services.
The purpose of Form CT-1120I is to provide instructions for corporations to accurately file their Connecticut Corporation Business Tax.
Form CT-1120I requires corporations to report their income, deductions, credits, and other relevant tax information for the tax year.
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