[Code of Federal Regulations] [Title 10, Volume 1] [Revised as of January 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 10CFR35.400] [Page 584] TITLE 10--ENERGY CHAPTER I--NUCLEAR REGULATORY COMMISSION PART 35_MEDICAL USE OF BYPRODUCT MATERIAL--Table of Contents Subpart F_ Manual Brachytherapy Sec. 35.400 Use of sources for manual brachytherapy. A licensee shall use only brachytherapy sources for therapeutic medical uses: (a) As approved in the Sealed Source and Device Registry; or (b) In research in accordance with an active Investigational Device Exemption (IDE) application accepted by the FDA provided the requirements of Sec. 35.49(a) are met.