55 STAT.] 77TH CONG., 1ST SESS.-CH. 633 -DEC. 26 , 1941 to disclose secret processes, costs, or other data unrelated to the distri- bution of explosives or ingredients. "SEC. 11. No person shall represent himself as having a license issued under this Act, when he has not such a license, or as having a license different in form or in conditions from the one which he in fact has, or without proper authority make, cause to be made, issue or exhibit anything purporting or pretending to be such license, or intended to mislead any person into believing it is such a license, or refuse to exhibit his license to any law-enforcement officer, Federal or State, or to a representative of the Bureau of Mines. "SEC. 12. Every person licensed under this Act to manufacture or store explosives shall clearly mark and define the premises on which his plant or magazine may be and shall conspicuously display thereon the words 'Explosives-Keep Off'. "SEC. 13. No person, without the consent of the owner or his author- ized agents, except law-enforcement officers, the Director and persons designated by him in writing, shall knowingly be in or upon any plant or premises on which explosives are manufactured or stored, or knowingly be in or upon any magazine premises on which explo- sives are stored. No person shall discharge any firearms or throw, or without the consent of the owner, place any explosives or inflam- mable bombs at, on, or against any such plant or magazine premises, or cause the same to be done. This section shall not be construed to prohibit the discharge of firearms by law-enforcement officers or others in the lawful performance of their official duties, or to prevent the proof-firing of weapons, projectiles, ammunitions, or explosives or the testing of fuses, detonators, or other materials upon the premises. "SEC. 14 . The Director is hereby authorized to investigate all explosions and fires which may occur in mines, quarries, factories, warehouses, magazines, houses, cars, boats, conveyances, and all places in which explosives or ingredients are manufactured, transported, stored, or used. The Director is authorized to investigate all explo- sions, accidents, or fires, in which there is reason to believe that explo- sives were involved. The Director may in his discretion report his findings in such nIIlaner as he may deem fit to the proper Federal or State authorities to the end that if such explosion has been brought about by a willful act the person or persons causing such act nlay be proceeded against and brought to justice; or, if the explosion has been brought about by accidental means, that precautions may be taken to prevent similar accidents from occurring. In the prosecution of such investigations the employees under the direction of the Direc- tor are hereby granted the authority to enter the premises where such explosion or fire has occurred, to examine plans, books, and papers, to administer oaths to, and to examine all witnesses and persons concerned, without let or hindrance on the part of the owner, lessee, operator, or agent thereof. "SEc. 15. The Director shall exercise the authority conferred upon him by this Act under the supervision of the Secretary of the Interior. The head of any executive department or independent establishment of the Federal Government may cooperate with the Director in the administration and enforcement of this Act and may assign employees to operate under the direction of the Director. The officers and employees of the District of Columbia, and of the Territories and island possessions of the United States and of the municipalities and other political subdivisions thereof, shall cooperate with the Director in the administration and enforcement of this Act. The Director may cooperate with the officers and employees of the several States and of the municipalities and other political subdivisions thereof. 867 False representa- tions. Refusal to exhibit license. Distinctive marking of premises. Exclusion of unau- thorized persons. Discharge of fire arms. Investigation of ex- plosions and fires. Authority to enter premises, etc. Supervision of Sec- retary of Interior. Cooperation of Gov- ernmentagencies,etc.
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