---
kind: "section"
citation: "45 C.F.R. § 46.503"
title: "45"
number: "46.503"
heading: "When must an IRB be registered?"
url: "https://uscodex.org/cfr/45/46.503"
---

# §46.503. When must an IRB be registered?


An IRB must be registered before it can be designated under an assurance approved for federalwide use by OHRP under [§ 46.103(a)](/cfr/45/46.103.md?p=a). IRB registration becomes effective when reviewed and accepted by OHRP. The registration will be effective for 3 years.


## Notes

### Source

Source: 74 FR 2405, Jan. 15, 2009, unless otherwise noted.

### Authority

Authority: 5 U.S.C. 301; 42 U.S.C. 289(a); 42 U.S.C. 300v-1(b).