Versions of See prior versions of a law on LawServer 2024 Louisiana Revised Statutes 37:1367 – License required; tradesman, journeyman, and master plumber; medical gas piping installer; medical gas and vacuum systems verifier; water supply protection specialist endorsement; gas fitter and master gas fitter;… 2023 Louisiana Revised Statutes 37:1367 – A.(1) No natural person shall engage in doing the work of a tradesman plumber unless he possesses a tradesman plumber limited license or renewal thereof issued by the board. At the d 2022 Louisiana Revised Statutes 37:1367 – A.(1) No natural person shall engage in doing the work of a tradesman plumber unless he possesses a tradesman plumber limited license or renewal thereof issued by the board. At the d 2021 Louisiana Revised Statutes 37:1367 – A.(1) No natural person shall engage in doing the work of a tradesman plumber unless he possesses a tradesman plumber limited license or renewal thereof issued by the board. At the d 2020 Louisiana Revised Statutes 37:1367 – A.(1) No natural person shall engage in doing the work of a tradesman plumber unless he possesses a tradesman plumber limited license or renewal thereof issued by the board. At the d 2019 Louisiana Revised Statutes 37:1367 – A.(1) No natural person shall engage in doing the work of a tradesman plumber unless he possesses a tradesman plumber limited license or renewal thereof issued by the board. At the d 2015 Louisiana Revised Statutes 37:1367 – License required, journeyman and master plumber; medical gas piping installer; medical gas and vacuum systems verifier; water supply protection specialist endorsement; local examination preempted 2014 Louisiana Revised Statutes 37:1367 – License required, journeyman and master plumber; medical gas piping installer; medical gas and vacuum systems verifier; water supply protection specialist endorsement; local examination preempted 2013 Louisiana Revised Statutes 37:1367 – License required, journeyman and master plumber; medical gas piping installer; medical gas and vacuum systems verifier; water supply protection specialist endorsement; local examination preempted 2009 Louisiana Revised Statutes 37:1367 – License required, journeyman and master plumber; medical gas piping installer; medical gas and vacuum