Versions of Louisiana Civil Code 1355 - Formation of active mass. on LawServer 2023 Louisiana Civil Code 1355 – Formation of active mass. 2022 Louisiana Civil Code 1355 – Formation of active mass. 2021 Louisiana Civil Code 1355 – Formation of active mass. 2020 Louisiana Civil Code 1355 – Formation of active mass. 2019 Louisiana Civil Code 1355 – Formation of active mass.