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Connecticut Department of Revenue Services Announces Start of Tax Filing Season
Taxpayers encouraged to file and pay electronically
Due Date for Certain State Tax Returns September 30 2020
First tax return filings due using myconneCT
PS 2002(4), Designated Private Delivery Services and Designated Types of Services
Ruling 96-9, Corporation Business Tax / Specially Chartered Associations as Political Subdivisions
Frequently asked questions on Preparer process
SN 2011(11), 2011 Legislation Imposing an Electric Generation Tax
Connecticut Individual Income Tax Returns and Payments Due July 15th
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