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Filing and Payment Deadline Extended for Connecticut Income Tax Returns
Withholding Tax Requirements for Nonresident Athletes or Entertainers
Athletes and Entertainers Withholding info
Penalty Waiver Request, Offer of Compromise or Protest
Penalty Waiver
Frequently asked questions on Preparer process
Ruling 2017-7, Sales and Use Taxes - Medical Equipment
Ruling on Sales and Use Taxes - Medical Equipment
Connecticut Individual Income Tax Returns and Payments Due July 15th
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