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Meet Commissioner Boughton
AA- Tax Compliance Form
2023 Tax Incidence Study
2025 Income Tax Tables
2024 Income Tax Tables
Child Tax Rebate Flyer
2023 Income Tax Tables
Bulletin #14, Use of Regulation 11b Exemption Certificate by Persons Engaged in Commercial Agriculture
SN 2014(2), Changes to the Conversion Factors on Motor Vehicle Fuels Occurring in Gaseous Form
Exemption Certificates
2012 Special Notices
2022 Press Releases
Excise File Uploads
CT-1040 TCS_1219
Ruling 2001-2, Sales and Use Taxes / Business Analysis, Management Consulting and Public Relations Services
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