53 STAT.] 76TH CONG. , 1 ST SESS.-CHS. 159-161-MAY 31, 1939 master shall be liable to a penalty of $10: Provided, That the Secre- tary of Commerce may authorize the endorsement of not more than two alternate masters in addition to the one already endorsed on the license, whenever in his judgment the condition of employment of the vessel warrants such action: Provided further, That in the case of vessels navigated within the limits of the harbor of any town or city, the name of the owner or some responsible person acting for the owner who otherwise meets all requirements of the laws of the United States with regard to masters, may be endorsed on the license of such vessel, although not actually employed thereon, in accordance with rules and regulations prescribed by the Secretary of Commerce: And provided further, That in the case of unrigged vessels which are not required by law to have on board a certificate of inspection, the name of the owner or any responsible person acting for the owner who other- wise meets all requirements of the laws of the United States with regard to masters, may be endorsed on the license of such unrigged vessel although not actually employed on board the vessel. "(b) In the case of those vessels on the licenses of which there are endorsed the names of more than one master, the master actually in charge of the vessel shall assume all of the duties and responsibilities imposed by any statute upon masters of vessels, and incur the liabilities provided by any law against masters of vessels during any period in which he is in charge of the vessel. "(c) The term 'unrigged vessel' as used herein, means any vessel that is not self-propelled." Approved, May 31, 1939. [CHAPTER 160] AN ACT To amend section 4325 of the Revised Statutes of the United States, as amended, relative to renewal of licenses of vessels. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That section 4325 of the Revised Statutes, as amended (U. S . C., 1934 edition, title 46, sec. 267), is hereby amended to read as follows: "The license granted to any vessel shall be presented for renewal by endorsement to the collector of customs of the district in which the vessel then may be within three days after the expiration of time for which it was granted, or, if she be absent at that time, within three days from her first arrival within a district. In case of change of build, ownership, district, trade, or arrival under temporary papers in the district where she belongs the license shall be surrendered. If the master shall fail to deliver the license he shall be liable to a penalty of $10. Such penalty on application may be mitigated or remitted by the Secretary of Commerce." Approved, May 31, 1939. [CHAPTER 161] AN ACT To authorize the Secretary of War to provide for the sale of aviation supplies and services to aircraft operated by foreign military and air attach6s accredited to the United States, and for other purposes. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the Secretary of War, under such regulations as he may prescribe, may provide for the sale to any aircraft operated by any foreign military or air attache accredited to the United States of fuel, oil, equipment, and 989070--3-- -PT 2-19 795 Provisos. Endorsement of two alternate masters per- mitted. Vessels operating within limits of har- bor of town or city. Unrigged vessels not requiring certificate of inspection on board. Duties and respon- sibilities of master in charge. " Unrigged vessel," term defined. May 31, 1939 [H. R. 178]6 [Public, No. 101] Vessels. R. S. § 4325. 46 U. S. C.§ 267. Renewal of licenses. Surrender in case of change of build, own- ership, etc. Penalty for failure; remission or mitiga- tion. May 31, 1939 [H. R. 3221] [Public, No. 102] Aviation supplies and services to air- craft. Sale of, operated by accredited foreign mil- itary or air attache.