CFR > Title 45 > Subtitle A > Subchapter A > Part 46 > Subpart E CFR > Title 45 > Subtitle A > Subchapter A > Part 46 > Subpart E – Registration of Institutional Review Boards Current as of: 2024 | Check for updates | Other versions § 46.501 What IRBs must be registered? § 46.502 What information must be provided when registering an IRB? § 46.503 When must an IRB be registered? § 46.504 How must an IRB be registered? § 46.505 When must IRB registration information be renewed or updated?