Connecticut State Department of Revenue Services

Upcoming CT DRS webinar: Select to register for the upcoming Withholding Forms W-2 and 1099 Annual Filing Webinar on Wednesday, January 15, 2025, at 10:00 a.m.

2006 Informational Publications

IP 2006(1), Connecticut Circular CT Employer's Tax Guide
IP 2006(7), Is My Connecticut Withholding Correct?
IP 2006(8), Status Letters for Income Tax
IP 2006(8.1), Status Letters for Income Tax
IP 2006(9), International Fuel Tax Agreement Manual
IP 2006(12), Q & A on Purchases of Vessels
IP 2006(13), Sales and Use Taxes on Returned Goods, Even Exchanges, and Trade-Ins
IP 2006(14), Federal/State Electronic Filing Handbook
IP 2006(15), Guide to Connecticut Business Tax Credits
IP 2006(16), Q & A: Income Tax Credit for Property Taxes Paid to a Connecticut Political Subdivision
IP 2006(17), Personal Taxes
IP 2006(18), Connecticut Tax Tips for Senior Citizens
IP 2006(19), Guide to Calculating Annualized Estimated Corporation Business Tax Installments and Worksheet CT-1120AE
IP 2006(20), Farmer's Guide to Sales and Use Taxes, Motor Vehicle Fuels Tax, Estimated Income Tax and Withholding Tax
IP 2006(21), Q & A on the Business Entity Tax
IP 2006(22), Connecticut Income Tax Changes Affecting Pass-Through Entities
IP 2006(23), Connecticut Income Tax Information for Armed Forces Personnel and Veterans
IP 2006(24), Estimated Connecticut Income Taxes
IP 2006(25), A Guide to Calculating Your Annualized Estimated Income Tax Installments and Worksheet CT-1040 AES
IP 2006(26), Licensed Cigarette Dealer's Guide to Connecticut Cigarette Tax Laws and Other Cigarette-Related Laws
IP 2006(27), Guide to Connecticut Cigarette Tax Laws and Other Cigarette-Related Laws for Persons Operating and Servicing Fewer Than 25 Cigarette Vending Machines
IP 2006(28), Licensed Stamping Distributor's Guide to Connecticut Cigarette Tax Laws and Other Cigarette-Related Laws
IP 2006(29), Licensed Non-Stamping Distributor's Guide to Connecticut Cigarette Tax Laws and Other Cigarette-Related Laws
IP 2006(30), Guide to Connecticut Cigarette Tax Laws and Other Cigarette-Related Laws for Persons Operating and Servicing 25 or More Cigarette Vending Machines
IP 2006(31), Licensed Tobacco Products Distributor's Guide to Connecticut Tobacco Products Tax Laws and Other Tobacco Products-Related Laws
IP 2006(32), Business Taxes
IP 2006(33), Annual Wage Information on Magnetic Media, Form W-2 Magnetic Media Filing Requirements for Tax Year 2006
IP 2006(34), Annual Informational Returns on Magnetic Media for Forms 1098, 1099-MISC, 1099-R, 1099-S, and W-2G
IP 2006(35), Building Contractors Guide to Sales and Use Taxes