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SN 2006(8), 2006 Legislative Changes Affecting the Corporation Business Tax
2025 Legislative Overview - Sales and Use Taxes and Admissions and Dues Taxes
Ruling No. 2015-1, Corporation Business Tax Financial Service Company
Corporation Business Tax Financial Service Company
CT DRS MF-R and MF-D Schedule Instructions_REV April 27 2021
CT DRS MF-R and MF-D Schedule Instructions_REV April 01 2022
Other Helpful Insurance Premiums Tax Return - Domestic Companies Tax Information
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