INSPECTION OF VESSELS 91 



of the structural efficiency of the hull and the reliability of the machin- 

 ery of such classed vessels except as far as existing law places definite 

 responsibility on the Coast Guard. A permit issued under the pro- 

 visions of this section shall be valid for a period of time not to exceed 

 the duration of the certificate of inspection on which such permit 

 is endorsed, and shall be subject to revocation by the Coast Guard 

 Avhenever it shall find that the vessel concerned does not comply with 

 the conditions upon which such permit was issued : Provided^ That the 

 provisions of this subsection shall not apply to vessels of a foreign 

 nation having on board a valid certificate of inspection recognized 

 under law or treaty by the United States : Aiid pr&inded further^ That 

 no permit shall be issued under the provisions of this section authoriz- 

 ing the presence on board any vessel of any of the materials expressly 

 prohibited from being thereon by subsection 3 of section 170 of this 

 title. 



Shipping documents required on board 



(5) Vessels subject to the provisions of this section shall have on 

 board such shipping documents as may be prescribed by the Com- 

 mandant of the Coast Guard indicating the kinds, grades, and ap- 

 proximate quantities of such liquid cargo on board such vessel, the 

 shippers and consignees thereof, and the location of the shipping and 

 destination points. 



Number of officers and tankermen 



(6) (a) In all cases where the certificate of inspection does not 

 require at least two licensed officers, the Coast Guard shall enter in 

 the permit issued to any vessel under the provisions of this section 

 the number of the crew required to be certificated as tankermen. 



(b) The Coast Guard shall issue to applicants certificates as tank- 

 erman, stating the kinds of liquid cargo the holder of such certificate 

 is, in the judgment of- the Coast Guard, qualified to handle aboard 

 vessels with safety, upon satisfactory proof and examination, in form 

 and manner prescribed by the Commandant of the Coast Guard, that 

 the applicant is in good physical condition, that such applicant is 

 trained in and capable efficiently to perform the necessary operations 

 aboard vessels having such liquid cargo on board, and that the ap- 

 plicant fulfills the qualifications of tankerman as prescribed by the 

 Commandant of the Coast Guard under the provisions of this section. 

 Such certificates shall be subject to suspension or revocation on the 

 same grounds and in the same manner and with like procedure as is 

 provided in the case of suspension or revocation of licenses of officers 

 under the provisions of section 239 of this title. 



Penalties 



(7) The owner, master, or person in charge of any vessel subject 

 to the provisions of this section, or any or all of them, who shall 

 violate the provisions of this section, or of the rules and regulations 

 established hereunder, shall be subject to a fine of not more than 

 $1,000 or imprisonment for not more than one year, or both such fine 

 and imprisonment. 



