CFR›Title 49›Subtitle B›Chapter V›Part 572›Subpart D ContainsSection 572.25CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Subpart D—6-Month-Old Infant Sections 572.25 § 572.25 General description. Previous C Subpart C—3-Year-Old Child Next E Subpart E—Hybrid III Test Dummy