[Code of Federal Regulations] [Title 21, Volume 8] [Revised as of April 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR812.66] [Page 111] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES--(Continued) PART 812--INVESTIGATIONAL DEVICE EXEMPTIONS--Table of Contents Subpart D--IRB Review and Approval Sec. 812.66 Significant risk device determinations. If an IRB determines that an investigation, presented for approval under Sec. 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 Sec. 812.30(a). [46 FR 8957, Jan. 27, 1981]