Versions of See prior versions of a law on LawServer 2024 Connecticut General Statutes 20-420 – Certificate of registration of contractors and salesperson required. Requirements for contractors performing radon mitigation, removal or replacement of residential underground heating oil tank storage systems an… 2023 Connecticut General Statutes 20-420 – Certificate of registration of contractors and salesperson required. Requirements for contractors performing radon mitigation, removal or replacement of residential underground heating oil tank storage systems an… 2022 Connecticut General Statutes 20-420 – Registration of contractors and salesmen required. Contractors performing radon mitigation. Contractors performing removal or replacement of residential underground heating oil storage tank systems 2020 Connecticut General Statutes 20-420 – Registration of contractors and salesmen required. Contractors performing radon mitigation. Contractors performing removal or replacement of residential underground heating oil storage tank systems 2019 Connecticut General Statutes 20-420 – Registration of contractors and salesmen required. Contractors performing radon mitigation. Contractors performing removal or replacement of residential underground heating oil storage tank systems 2016 Connecticut General Statutes 20-420 – Registration of contractors and salesmen required. Contractors performing radon mitigation. Contractors performing removal or replacement of residential underground heating oil storage tank systems 2014 Connecticut General Statutes 20-420 – Registration of contractors and salesmen required. Contractors performing radon mitigation. Contractors performing removal or replacement of residential underground heating oil storage tank systems 2013 Connecticut General Statutes 20-420 – Registration of contractors and salesmen required. Contractors performing radon mitigation. Contractors performing removal or replacement of residential underground heating oil storage tank systems 2009 Connecticut General Statutes 20-420 – Registration of contractors and salesmen required. Contractors performing radon mitigation. Contractors performing removal or replacement of residential underground heating oil storage tank systems
