Versions of See prior versions of a law on LawServer 2024 Connecticut General Statutes 21a-422 – Construction of positive drug test for 11-nor-9-carboxy-delta-9-tetrahydrocannabinol 2023 Connecticut General Statutes 21a-422 – Construction of positive drug test for 11-nor-9-carboxy-delta-9-tetrahydrocannabinol 2022 Connecticut General Statutes 21a-422 – (Note: This section is effective July 1, 2022.) Construction of positive drug test for 11-nor-9-carboxy-delta-9-tetrahydrocannabinol