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Get the free Connecticut Alternative Minimum Tax Return

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What is CT-6251 Form

The Connecticut Alternative Minimum Tax Return (Form CT-6251) is a tax document used by individuals in Connecticut to calculate their alternative minimum tax liability.

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CT-6251 Form is needed by:
  • Residents of Connecticut filing state taxes
  • Part-year residents of Connecticut
  • Nonresidents with Connecticut source income
  • Tax professionals assisting Connecticut taxpayers
  • Individuals planning to apply for tax credits
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