Informational Publications
IP 2018(1), Connecticut Circular CT Employer's Tax Guide
IP 2018(2), Building Contractors' Guide to Sales and Use Taxes
IP 2018(3), Exemptions From Admissions Tax
IP 2018(4), Pay-When-Paid Method for Materialmen
IP 2018(5), Getting Started in Business
IP 2018(6), Procedures to Request Disclosure of Tax Returns and Tax Return Information
IP 2018(7), Is My Connecticut Withholding Correct?
IP 2018(8), Connecticut Tax Guide for Payers of Nonpayroll Amounts
IP 2018(9), 2018 Q & A on Estimated Corporation Business Tax and Worksheet CT-1120AE
IP 2018(10), Successor Liability and Request for Tax Clearance
IP 2018(13), Form W-2 Electronic Filing Requirements for Tax Year 2018
IP 2018(14), 2018 Federal/State Electronic Filing Handbook
IP 2018(15), Connecticut Income Tax Information for Armed Forces Personnel and Veterans
IP 2018(16), Estimated Connecticut Income Taxes
IP 2018(18), Connecticut Voluntary Disclosure Program