CFR›Title 10›Chapter I›Part 20›Subpart J ContainsSections 20.1901–20.1906CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart J—Precautionary Procedures Sections 20.1901 § 20.1901 Caution signs. 20.1902 § 20.1902 Posting requirements. 20.1903 § 20.1903 Exceptions to posting requirements. 20.1904 § 20.1904 Labeling containers. 20.1905 § 20.1905 Exemptions to labeling requirements. 20.1906 § 20.1906 Procedures for receiving and opening packages. Source56 FR 23401, May 21, 1991, unless otherwise noted. Previous I Subpart I—Storage and Control of Licensed Material Next K Subpart K—Waste Disposal