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EFT
Due Date for Certain State Tax Returns September 30 2020
First tax return filings due using myconneCT
DRS Extends Filing, Payment Deadlines for Certain State Tax Returns
Reminder: October 15 is deadline to file Connecticut individual income tax returns on extension
DRS Reminder: File Your Connecticut Individual Income Tax Returns Electronically
Effective Immediately - DRS Extends Filing Deadline for Certain Annual State Business Tax Returns
DRS Publications
Penalty Waiver Request, Offer of Compromise or Protest
Penalty Waiver