Versions of See prior versions of a law on LawServer 2024 Nebraska Statutes 77-2704.69. Catalysts, chemicals, and materials used in the process of manufacturing ethyl alcohol; exemption 2023 Nebraska Statutes 77-2704.69. Catalysts, chemicals, and materials used in the process of manufacturing ethyl alcohol; exemption 2022 Nebraska Statutes 77-2704.69. Catalysts, chemicals, and materials used in the process of manufacturing ethyl alcohol; exemption 2021 Nebraska Statutes 77-2704.69. Catalysts, chemicals, and materials used in the process of manufacturing ethyl alcohol; exemption