PUBLIC LAWS-CH. 777 -OCT. 9, 1940 Nonexremptionof "(c) Nothing contained in this section shall be construed to relieve requirements. any vessel subject to the provisions of this section from any other of the requirements of title 52 (secs. 4399 to 4500, inclusive) of the Revised Statutes or Acts amendatory or supplementary thereto and regulations thereunder applicable to such vessel, which are not inconsistent herewith. Local regulations. "(d) Nothing contained in this section shall be construed as pre- venting the enforcement of reasonable local regulations now in effect or hereafter adopted, which are not inconsistent or in conflict with this section or the regulations of the Secretary of Commerce estab- lished hereunder. Refusal to transport "(8) Any master, owner, charterer, or agent shall refuse to trans- exposives, ec. port any explosives or other dangerous articles or substances in violation of any provisions of this section and the regulations estab- lished thereunder, and may require that any container or package which he has reason to believe contains explosives or other dangerous articles or substances be opened to ascertain the facts. Public hearings on "(9) Before any regulations or any additions, alterations, amend- proposed regulations, etc. ments, or repeals thereof are made under the provisions of this section except in an emergency such proposed regulations shall be published and public hearings with respect thereto shall be held on such notice as the Secretary of Commerce deems advisable under the circum- Effective date of stances. Any additions, alterations, amendments, or repeals of such amendments, etc. regulations shall, unless a shorter time is authorized by the Secretary of Commerce, take effect ninety days after their promulgation. Fal or decePtve "(10) It shall be unlawful knowingly to deliver or cause to be delivered, or tender for shipment to any vessel subject to this section any explosives or any other dangerous articles or substances defined in the regulations of the Secretary of Commerce established hereunder under any false or deceptive descriptive name, marking, invoice, ship- ping paper, or other declaration and without informing the agent of such vessel in writing of the true character thereof at or before the Tender or shipment time such delivery or transportation is made. It shall be unlawful for of prohibited explo- f hibvte explo any person to tender for shipment, or ship on any vessel to which this section applies, any explosives or other dangerous articles or substances the transportation, carriage, conveyance, storage, stowage, or use of which on board vessels is prohibited by this section. sel upon ertainfnd "(11) The Secretary of Commerce may exempt any vessel or class ings. of vessels from any of the provisions of this section or any regulations or parts thereof established hereunder upon a finding by him that the vessel, route, area of operations, conditions of the voyage, or other circumstances are such as to render the application of this section or any of the regulations established hereunder unnecessary for the Atobicerig purposes of safety: Provided, That except in an emergency such exception shall be made for any vessel or class of vessels only after a public hearing. Enforcemen t (12) The provisions of this section and the regulations established . hereunder shall. be enforced primarily by the Bureau of Marine Inspection and Navigation of the Department of Commerce and the Coast Guard of the Department of the Treasury; and the Secretary of Commerce, with the consent of the head of any executive department, independent establishment, or other agency of the Government, may avail himself of the use of information, advice, services facilities, officers, and employees thereof (including the field service) in carry- iOUna. mg out the provisions of this section: Provided, That no officer or saton. employee of the United States shall receive any additional compensa- tion for such services, except as permitted by law. vitngm "(13) Any collector of customs may, upon his own knowledge, or upon the sworn information of any reputable citizen of the United 1026 [54 STAT.