-CITE- 45 CFR Sec. 46.403 -EXPCITE- Title 45 SUBTITLE A PART 46 Subpart D -HEAD- Sec. 46.403 IRB duties. -TEXT- In addition to other responsibilities assigned to IRBs under this part, each IRB shall review research covered by this subpart and approve only research which satisfies the conditions of all applicable sections of this subpart.