Versions of Connecticut General Statutes 12-223f - Preference tax due from corporations filing a combined return on LawServer 2023 Connecticut General Statutes 12-223f – Preference tax due from corporations filing a combined return 2022 Connecticut General Statutes 12-223f – Preference tax due from corporations filing a combined return 2020 Connecticut General Statutes 12-223f – Preference tax due from corporations filing a combined return 2019 Connecticut General Statutes 12-223f – Preference tax due from corporations filing a combined return 2016 Connecticut General Statutes 12-223f – Preference tax due from corporations filing a combined return 2014 Connecticut General Statutes 12-223f – Preference tax due from corporations filing a combined return 2013 Connecticut General Statutes 12-223f – Preference tax due from corporations filing a combined return 2009 Connecticut General Statutes 12-223f – Supplementary tax due from corporations filing a combined return under section 12-223a for income years commencing on or after January 1, 1990