Connecticut State Department of Revenue Services

Walk-in services at all DRS branch office locations remain suspended. Email DRS at drs@po.state.ct.us. Email the Priority One Taxpayer Assistance Program: DRSPriorityOne_CollectionsAssist@po.state.ct.us. Please check our Frequently Asked Questions page.

Controlling Interest Transfer Tax Forms

Name Description Revised Date Due Date
AU-330 Controlling Interest Transfer Taxes 04/2018 N/A
AU-330I Instructions for the Controlling Interest Transfer Taxes 04/2018 N/A
AU-331 Controlling Interest Transfer Taxes Informational Return 04/2018 N/A

Insurance Premium and Health Care Center Tax Forms

Name Description Revised Date Due Date
CT-IRF Insurance Reinvestment Fund Credit 12/2017 N/A
CT-SIRF 2018 Second Insurance Reinvestment Fund Tax Credit 12/2018
Form 115NIN Non-admitted Insurance Premium Tax Return 12/2018
Form 115RRG 2018 Insurance Premium Tax Return Risk Retention Groups 12/2018
Form 207 2018 Insurance Premiums Tax Return Domestic Companies 12/2018
Form 207 ES 2018 Estimated Insurance Premiums Tax Payment Coupon Domestic Insurance Companies 12/2018
Form 207 ES 2019 Estimated Insurance Premiums Tax Payment Coupon Domestic Insurance Companies 12/2018
Form 207C Insurance Premiums Tax Return Captive Insurance Companies 12/2015
Form 207C EXT Application for Extension of Time to File Captive Insurance Premiums Tax Return 12/2018
Form 207 F 2018 Insurance Premiums Tax Return Nonresident and Foreign Companies 12/2018
Form 207 F-5 Insurance Premiums Tax Return Nonresident and Foreign Companies Initial Five-Year Return 12/2018 N/A
Form 207 F ES 2019 Estimated Insurance Premiums Tax Payment Coupon Foreign and Non-Resident Insurance Companies 12/2018
Form 207 F EXT 2018 Application For Extension of Time To File Nonresident and Foreign Insurance Premiums Tax Return 12/2018
Form 207 HCC 2018 Health Care Center Tax Return 12/2018
Form 207 HCC ES 2019 Estimated Health Care Centers Tax Payment Coupons 12/2018
Form 207 HCC EXT 2018 Application for Extension of Time to File Domestic Insurance Premiums Tax Return or Health Care Center Tax Return 12/2018
Form 207I 2018 Underpayment of Estimated Insurance Premiums Tax or Health 12/2018
Form 207 K 2018 Insurance/Health Care Tax Credit Schedule 12/2018
Form GAA-1 2018 Transfer of CIGA Assessment Credit 12/2018 N/A
Form GAA-2 2018 Transfer of CLHIGA Assessment Credit 12/2018 N/A
Schedule GAA 2018 Insurance Guaranty Association Credit 12/2018 N/A