[Code of Federal Regulations] [Title 16, Volume 2] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 16CFR1203.10] [Page 219] TITLE 16--COMMERCIAL PRACTICES CHAPTER II--CONSUMER PRODUCT SAFETY COMMISSION PART 1203_SAFETY STANDARD FOR BICYCLE HELMETS--Table of Contents Subpart A_The Standard Sec. 1203.10 Selecting the test headform. A helmet shall be tested on the smallest of the headforms appropriate for the helmet sample. A headform size is appropriate for a helmet if all of the helmet's sizing pads are partially compressed when the helmet is equipped with its thickest sizing pads and positioned correctly on the reference headform.