[Code of Federal Regulations] [Title 48, Volume 1] [Revised as of October 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 48CFR8.505] [Page 136] TITLE 48--FEDERAL ACQUISITION REGULATIONS SYSTEM CHAPTER 1--FEDERAL ACQUISITION REGULATION PART 8_REQUIRED SOURCES OF SUPPLIES AND SERVICES--Table of Contents Subpart 8.5_Acquisition of Helium Sec. 8.505 Contract clause. Insert the clause at 52.208-8, Required Sources for Helium and Helium Usage Data, in solicitations and contracts if it is anticipated that performance of the contract involves a major helium requirement.