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IP 2020(1), Connecticut Circular CT Employer's Withholding Guide
IP 2020(2). Admissions Tax Exemptions and Reduced Rates of Tax
IP 2020(4), 2020 Q & A on Estimated Corporation Business Tax and Worksheet CT-1120AE
IP 2020(5), Disaggregated Sales Tax Report
IP 2020(6), Filing and Paying Connecticut Taxes Electronically
IP 2020(7), Is My Connecticut Withholding Correct?
IP 2020(9), Q & A on the Connecticut Use Tax for Businesses and Professions
IP 2020(10), Q & A on the Connecticut Individual Use Tax
IP 2020(14), 2020 Taxable Year Federal/State Electronic Filing Handbook
IP 2020(15), Attorney Occupational Tax and Client Security Fund Fee