[Code of Federal Regulations] [Title 14, Volume 5] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 14CFR1267.610] [Page 422] TITLE 14--AERONAUTICS AND SPACE CHAPTER V--NATIONAL AERONAUTICS AND SPACE ADMINISTRATION PART 1267_GOVERNMENTWIDE REQUIREMENTS FOR DRUG-FREE WORKPLACE (FINANCIAL Subpart F_Definitions Sec. 1267.610 Controlled substance. Controlled substance means a controlled substance in schedules I through V of the Controlled Substances Act (21 U.S.C. 812), and as further defined by regulation at 21 CFR 1308.11 through 1308.15.