CFR›Title 49›Subtitle B›Chapter V›Part 572›Subpart J ContainsSections 572.80–572.86CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Subpart J—9-Month Old Child Sections 572.80 § 572.80 Incorporated materials. 572.81 § 572.81 General description. 572.82 § 572.82 Head. 572.83 § 572.83 Head-neck. 572.84 § 572.84 Thorax. 572.85 § 572.85 Lumbar spine flexure. 572.86 § 572.86 Test conditions and dummy adjustment. Source56 FR 41080, Aug. 19, 1991, unless otherwise noted. Previous I Subpart I—6-Year-Old Child Next K Subpart K—Newborn Infant