U.S. Code / Title 18 — Crimes and Criminal… / Part I—CrimesTitle 18ChapterChapter 40—Importation, Manufacture, Distribution and Storage of Explosive MaterialsContents§ 841. Definitions§ 842. Unlawful acts§ 843. Licenses and user permits§ 844. Penalties§ 845. Exceptions; relief from disabilities§ 846. Additional powers of the Attorney General§ 847. Rules and regulations§ 848. Effect on State law