CFR›Title 16›Chapter II›Part 1203›Appendix Figure 3 to Part 1203 CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Figure 3 to Part 1203—Location of Reference Plane Previous Figure 2 to Part 1203 Figure 2 to Part 1203—ISO Headform-Basic, Reference, and Median Planes Next Figure 4 to Part 1203 Figure 4 to Part 1203—Location of Test Lines for Helmets Intended for Persons Five (5) Years of Age and Older