2021 Informational Publications

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On Sunday and Monday, Connecticut will experience a blast of arctic temperatures. Governor Lamont has activated the Severe Cold Weather Protocol during this period. A list of shelters is available at 211ct.org or by calling 2-1-1. [Read more about the Severe Cold Weather Protocol]

2021 Informational Publications

IP 2021(1), Connecticut Circular CT Employer's Withholding Guide

IP 2021(2), Farmer’s Guide to Sales and Use Taxes, Motor Vehicle Fuels Tax, Estimated Income Tax, and Withholding Tax

IP 2021(4), Commercial Fisherman’s Guide to Sales and Use Taxes and Estimated Income Tax

IP 2021(5), Filing and Paying Connecticut Taxes Electronically

IP 2021(6), IFTA Manual

IP 2021(7), Is My Connecticut Withholding Correct?

IP 2021(8), Connecticut Tax Guide For Payers of Nonpayroll Amounts

IP 2021(9), 2021 Q & A on Estimated Corporation Business Tax and Worksheet CT-1120AE

IP 2021(10), Q & A on Purchases of Vessels

IP 2021(11), Status Letters

IP 2021(12), Forms 1099-R, 1099-MISC, 1099-K, 1099-NEC, and W-2G Electronic Filing Requirements for Tax Year 2020

IP 2021(13), Form W-2 Electronic Filing Requirements for Tax Year 2020

IP 2021(14), 2021 Taxable Federal/State Electronic Filing Handbook

IP 2021(15), Forms 1099-R, 1099-MISC, 1099-K, 1099-NEC, and W-2G Electronic Filing Requirements for Tax Year 2021

IP 2021(16), Form W-2 Electronic Filing Requirements for Tax Year 2021