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Federal and State Electronic Filing for Preparers and Software Companies
Ruling 93-11, Sales and Use Taxes / Computer and Data Processing Services
2019 Controlling Interest/Insurance Premium/Healthcare Center Tax Forms
AU forms
Controlling Interest/Insurance Premium/Healthcare Center Tax Forms
AU forms
Controlling Interest/Insurance Premium/Healthcare Center Tax Forms
AU forms
Ruling 92-3, Sales and Use Taxes / Advertising Services / Business Public Relations Services
myconneCT
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Taxpayer Education
Click here to access informational videos and other educational resources.
New Business Resource Center
Access helpful resources for new businesses