[Code of Federal Regulations] [Title 10, Volume 3] [Revised as of January 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 10CFR431.121] [Page 331] TITLE 10--ENERGY CHAPTER II--DEPARTMENT OF ENERGY PART 431_ENERGY EFFICIENCY PROGRAM FOR CERTAIN COMMERCIAL AND INDUSTRIAL EQUIPMENT--Table of Contents Subpart G_Certification and Enforcement Sec. 431.121 Purpose and scope. The regulations in this subpart set forth the procedures for manufacturers to certify that electric motors comply with the applicable energy efficiency standards set forth in subpart C of this part, and set forth standards and procedures for enforcement of this part and the underlying provisions of the Act.