Versions of Louisiana Civil Code 514 - Mixture of materials. on LawServer 2024 Louisiana Civil Code 514 – Mixture of materials. 2023 Louisiana Civil Code 514 – Mixture of materials. 2022 Louisiana Civil Code 514 – Mixture of materials. 2021 Louisiana Civil Code 514 – Mixture of materials. 2020 Louisiana Civil Code 514 – Mixture of materials. 2019 Louisiana Civil Code 514 – Mixture of materials.