Versions of See prior versions of a law on LawServer 2024 Missouri Laws 143.2115 – Definitions — income tax deduction for increased qualified trade activities .. 2023 Missouri Laws 143.2115 – Definitions — income tax deduction for increased qualified trade activities .. 2022 Missouri Laws 143.2115 – Definitions — income tax deduction for increased qualified trade activities … 2020 Missouri Laws 143.2115 – Definitions — income tax deduction for increased qualified trade activities … 2018 Missouri Laws 143.2115 – Definitions — income tax deduction for increased qualified trade activities …