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State of Connecticut Department of Revenue Services Form CT1065/CT1120SI Supplemental Attachment (Rev. 12/04) (Part I, Schedule B, and Part IV) PART I Schedule B PE Member Composite Return A Name
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01
Gather all the necessary information and documents required to fill out the form.
02
Start by entering the taxpayer's name, address, and federal employer identification number (FEIN).
03
Provide the necessary information about the filing status and tax year.
04
Enter the income and deductions information accurately in the appropriate sections of the form.
05
Follow the instructions provided on the form to allocate income and deductions correctly.
06
Include any required schedules or attachments along with the form.
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Review the completed form for accuracy and ensure all necessary information is provided.
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Sign and date the form before submission.
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Submit the completed form and any accompanying documents to the appropriate tax authority.

Who needs ct-1065-ct-1120si sup att supplemental?

01
Business entities that are filing Form CT-1065 (Connecticut Partnership Return) or Form CT-1120SI (Connecticut Corporation Business Return) may need to file CT-1065-CT-1120SI Supplementary Attachment Supplemental form.
02
These forms are typically used by partnerships, S corporations, and limited liability companies (LLCs) that are classified as partnerships or S corporations for tax purposes.
03
The CT-1065-CT-1120SI Supplementary Attachment Supplemental form is used to provide additional information and details related to the partnership or S corporation's income, deductions, credits, and other tax-related matters.
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