CFR›Title 9›Chapter I›Part 147›Subpart A ContainsSections 147.1–147.9CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart A—Blood Testing Procedures Sections 147.1 § 147.1 Blood testing procedures. 147.2-147.9 §§ 147.2-147.9 [Reserved] Next B Subpart B—Bacteriological Examination Procedure