Versions of See prior versions of a law on LawServer 2023 West Virginia Code 11-13R-4 – Annual combined qualified research and development expenditure, qualified research and development expenses 2022 West Virginia Code 11-13R-4 – Annual combined qualified research and development expenditure, qualified research and development expenses 2021 West Virginia Code 11-13R-4 – Annual combined qualified research and development expenditure, qualified research and development expenses 2019 West Virginia Code 11-13R-4 – Annual combined qualified research and development expenditure, qualified research and development expenses 2018 West Virginia Code 11-13R-4 – Annual combined qualified research and development expenditure, qualified research and development expenses 2016 West Virginia Code 11-13R-4 – Annual combined qualified research and development expenditure, qualified research and development expenses 2015 West Virginia Code 11-13R-4 – Annual combined qualified research and development expenditure, qualified research and development expenses 2014 West Virginia Code 11-13R-4 – Annual combined qualified research and development expenditure, qualified research and development expenses 2010 West Virginia Code 11-13R-4 – Annual combined qualified research and development expenditure, qualified research and development expenses