[Code of Federal Regulations] [Title 16, Volume 1] [Revised as of January 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 16CFR309.12] [Page 352] TITLE 16--COMMERCIAL PRACTICES CHAPTER I--FEDERAL TRADE COMMISSION PART 309_LABELING REQUIREMENTS FOR ALTERNATIVE FUELS AND ALTERNATIVE FUELED VEHICLES--Table of Contents Subpart B_Requirements for Alternative Fuels Sec. 309.12 Recordkeeping. You must keep for one year records of how you determined fuel ratings. The records must be available for inspection by Federal Trade Commission staff members, or by people authorized by FTC. Duties of Distributors of Non-Liquid Alternative Vehicle Fuels (Other Than Electricity) and of Electric Vehicle Fuel Dispensing Systems