RegulationsTitle 49Subtitle BChapter ISubchapter CPart 172Subpart E—Labeling49 CFR 172.431Regulationhistorical49 CFR 172.431Section 172.431Snapshot 2004-10-01 Government sourceeCFR editorial compilationAuthoritative but unofficialView source 1 passages[Reserved]Previous§ 172.430Next§ 172.432