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Ruling 99-5, Corporation Business Tax
Research and Development (Nonincremental) Expenses 25JAN2017
SN 2011(10), Sales and Use Tax Affecting Motor Vehicle Dealers
Urban and Industrial Site Reinvestment 24JAN2019
Urban and Industrial Site Reinvestment 25JAN2017
Research and Development Nonincremental Expenses 22MAR2022
Sales and Use Tax Information
Other Helpful Information
IP 2005(28), Estimated Connecticut Income Taxes
1989 Rulings
SN 2009(11), 2009 Legislative Changes Affecting the Corporation Business Tax
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