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Connecticut Department of Revenue Services Announces Start of 2026 Tax Season
Electronic Filing Requirements Frequently Asked Questions
Q&A on Direct Payment Permits
W-2 Electronic Filing Frequently Asked Questions
MOVEit Overview
Connecticut Department of Revenue Services Releases Tax Gap Report
Constituent Services Unit
Ruling 90-51 Cable TV / Gross Receipts / Utility Exemption - Manufacturing
Electronic Data Processing Tax Credit 25JAN2017
Voluntary Disclosure Program
Ruling 96-1, Sales and Use Taxes / Telecommunications Services / Computer and Data Processing Services
Business Tax Return and Payment Due Dates
Ruling 92-12, Sales and Use Taxes / Prostheses
Ruling 91-25, Sales and Use Taxes / Community Antenna Television Service
Ruling 90-54, Printers
myconneCT
Register, file tax returns, make payments and view filing history.
Taxpayer Education
Click here to access informational videos and other educational resources.
New Business Resource Center
Access helpful resources for new businesses