[Code of Federal Regulations] [Title 16, Volume 2] [Revised as of January 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 16CFR1203.31] [Page 223] TITLE 16--COMMERCIAL PRACTICES CHAPTER II--CONSUMER PRODUCT SAFETY COMMISSION PART 1203--SAFETY STANDARD FOR BICYCLE HELMETS--Table of Contents Subpart B--Certification Sec. 1203.31 Applicability date. All bicycle helmets manufactured on or after March 11, 1999, must meet the standard and must be certified as complying with the standard in accordance with this subpart B.