Versions of 21 CFR Part 812 - Investigational Device Exemptions on LawServer 2024 21 CFR Part 812 – Investigational Device Exemptions 2023 21 CFR PART 812 – INVESTIGATIONAL DEVICE EXEMPTIONS 2022 21 CFR Part 812 – Investigational Device Exemptions 2021 21 CFR Part 812 – Investigational Device Exemptions 2020 21 CFR Part 812 – Investigational Device Exemptions