Versions of See prior versions of a law on LawServer 2024 Kentucky Statutes 304.13-412 – Workers’ compensation premium — Credit for certified drug-free workplace program at coal mine 2023 Kentucky Statutes 304.13-412 – Workers’ compensation premium — Credit for certified drug-free workplace program at coal mine 2022 Kentucky Statutes 304.13-412 – Workers’ compensation premium — Credit for certified drug-free workplace program at coal mine 2021 Kentucky Statutes 304.13-412 – Workers’ compensation premium — Credit for certified drug-free workplace program at coal mine 2020 Kentucky Statutes 304.13-412 – Workers’ compensation premium — Credit for certified drug-free workplace program at coal mine 2019 Kentucky Statutes 304.13-412 – Workers’ compensation premium — Credit for certified drug-free workplace program at coal mine 2017 Kentucky Statutes 304.13-412 – Workers’ compensation premium — Credit for certified drug-free workplace program at coal mine