Versions of Connecticut General Statutes 12-587 - Definitions. Imposition of tax. Rate. Returns and filing; due date on LawServer 2023 Connecticut General Statutes 12-587 – Definitions. Imposition of tax. Rate. Returns and filing; due date 2022 Connecticut General Statutes 12-587 – Definitions. Imposition of tax. Rate. Returns and filing; due date 2020 Connecticut General Statutes 12-587 – Definitions. Imposition of tax. Rate. Returns and filing; due date 2019 Connecticut General Statutes 12-587 – Definitions. Imposition of tax. Rate. Returns and filing; due date 2016 Connecticut General Statutes 12-587 – Definitions. Imposition of tax. Rate. Returns and filing; due date 2014 Connecticut General Statutes 12-587 – Definitions. Imposition of tax. Rate. Returns and filing; due date 2013 Connecticut General Statutes 12-587 – Definitions. Imposition of tax. Rate. Returns and filing; due date 2009 Connecticut General Statutes 12-587 – Definitions. Imposition of tax. Rate. Returns and filing; due date