CFR > Title 27 - Alcohol, Tobacco Products and Firearms > CHAPTER II—BUREAU OF ALCOHOL, TOBACCO, FIREARMS, AND EXPLOSIVES, DEPARTMENT OF JUSTICE > SUBCHAPTER C—EXPLOSIVES (parts 555 to 555) > PART 555—COMMERCE IN EXPLOSIVES > SUBPART K—Storage (§555.201 to §555.224) > 555.212—Smoking and open flames.