21 CFR § 812.66
Significant risk device determinations
June 25, 2020
If an IRB determines that an investigation, presented for approval under §812.2(b)(1)(ii), involves a significant risk device, it shall so notify the investigator and, where appropriate, the sponsor. A sponsor may not begin the investigation except as provided in §812.30(a).
[46 FR 8957, Jan. 27, 1981]