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Page 21 of 115 for form op-236 ×
Research and Experimental (Incremental) Expenditures Tax Credit 22MAR2022
Research and Development (Nonincremental) Expenses 25JAN2017
Research and Experimental (Incremental) Expenditures Tax Credit 25JAN2017
Connecticut Department of Revenue Services Announces Start of Tax Filing Season
Taxpayers encouraged to file and pay electronically