Versions of Connecticut General Statutes 12-520 - Report by Commissioner of Revenue Services. Confidential information on LawServer 2024 Connecticut General Statutes 12-520 – Report by Commissioner of Revenue Services. Confidential information 2023 Connecticut General Statutes 12-520 – Report by Commissioner of Revenue Services. Confidential information 2022 Connecticut General Statutes 12-520 – Report by Commissioner of Revenue Services. Confidential information 2020 Connecticut General Statutes 12-520 – Report by Commissioner of Revenue Services. Confidential information 2019 Connecticut General Statutes 12-520 – Report by Commissioner of Revenue Services. Confidential information 2016 Connecticut General Statutes 12-520 – Report by Commissioner of Revenue Services. Confidential information 2014 Connecticut General Statutes 12-520 – Report by Commissioner of Revenue Services. Confidential information 2013 Connecticut General Statutes 12-520 – Report by Commissioner of Revenue Services. Confidential information 2009 Connecticut General Statutes 12-520 – Report by Commissioner of Revenue Services. Confidential information