Connecticut State Department of Revenue Services

Corporation Business Resources

Corporation Business Tax Research Links

• Corporation Business Tax Topic Index
• Online Guide to Connecticut Business Tax Credits
• General Statutes of Connecticut
• 2018 Supplement to the General Statutes of Connecticut
• Regulations of Connecticut State Agencies

General Tax and Business Links

• Connecticut Secretary of the State
• Fraud Reporting Form or DRS Fraud hotline: 855-842-1441
• Taxpayer Rights

How Do I Get...

• Copy of my return
• Mailing addresses