Versions of 26 CFR 1.28-1 - Credit for clinical testing expenses for certain drugs for rare diseases or conditions on LawServer 2024 26 CFR 1.28-1 – Credit for clinical testing expenses for certain drugs for rare diseases or conditions 2023 26 CFR 1.28-1 – Credit for clinical testing expenses for certain drugs for rare diseases or conditions 2022 26 CFR 1.28-1 – Credit for clinical testing expenses for certain drugs for rare diseases or conditions 2021 26 CFR 1.28-1 – Credit for clinical testing expenses for certain drugs for rare diseases or conditions 2020 26 CFR 1.28-1 – Credit for clinical testing expenses for certain drugs for rare diseases or conditions 2019 26 CFR 1.28-1 – Credit for clinical testing expenses for certain drugs for rare diseases or conditions 2016 26 CFR 1.28-1 – Credit for clinical testing expenses for certain drugs for rare diseases or conditions 2015 26 CFR 1.28-1 – Credit for clinical testing expenses for certain drugs for rare diseases or conditions 2014 26 CFR 1.28-1 – Credit for clinical testing expenses for certain drugs for rare diseases or conditions 2010 26 CFR 1.28-1 – Credit for clinical testing expenses for certain drugs for rare diseases or conditions 2009 26 CFR 1.28-1 – Credit for clinical testing expenses for certain drugs for rare diseases or conditions
