2024 26 USC 45C – Clinical testing expenses for certain drugs for rare diseases or conditions

2023 26 USC 45C – Clinical testing expenses for certain drugs for rare diseases or conditions

2022 26 USC 45C – Clinical testing expenses for certain drugs for rare diseases or conditions

2021 26 USC 45C – Clinical testing expenses for certain drugs for rare diseases or conditions

2020 26 USC 45C – Clinical testing expenses for certain drugs for rare diseases or conditions

2018 26 USC 45C – Clinical testing expenses for certain drugs for rare diseases or conditions

2017 26 USC 45C – Clinical testing expenses for certain drugs for rare diseases or conditions

2015 26 USC 45C – Clinical testing expenses for certain drugs for rare diseases or conditions

2014 26 USC 45C – Clinical testing expenses for certain drugs for rare diseases or conditions

2013 26 USC 45C – Clinical testing expenses for certain drugs for rare diseases or conditions

2012 26 USC 45C – Clinical testing expenses for certain drugs for rare diseases or conditions

2010 26 USC 45c – Clinical testing expenses for certain drugs for rare diseases or conditions